Skip to main content

Overview

The Related Keywords block finds keyword variations and related search terms for a target keyword from Semrush. Use it to expand keyword lists, discover content opportunities, and find long-tail variations for SEO and content strategy.

Configuration

Keyword (Required)

The seed keyword to find related terms for. Example:
You can reference placeholders from previous steps: {{step_1.output}} Tips:
  • Use specific seed keywords for focused results
  • Broad terms return more varied suggestions
  • Long-tail seeds find similar long-tail variations

Keyword Type

Select the type of related keywords to discover. Options: Related Keywords (Default) Find semantically related keywords and variations relevant to your target keyword. Example for “crm software”:
  • crm
  • hubspot
  • customer relationship management
  • crm system
  • what is crm
Best for: Content ideation, keyword expansion, finding synonyms Broad Match Find keywords containing your target keyword phrase anywhere in the query. Example for “crm”:
  • best crm software
  • crm for small business
  • free crm
  • crm comparison
Best for: Long-tail discovery, specific use cases, buying intent keywords Phrase Questions Find question-based search queries related to your keyword. Example for “crm”:
  • what is crm
  • how does crm work
  • why use crm software
  • which crm is best
Best for: FAQ content, blog topics, voice search optimization

Number of Results

How many keywords to return. Range: 1-1000 Default: 10 Higher numbers give more options but may include less relevant terms. Start with 10-50 for most use cases.

Region (Optional)

Select the regional database for keyword data. Default: United States Choose the region matching your target market. Different regions return different keyword suggestions and metrics.

Error Handling

Define what happens if the block fails to retrieve data. Options:
  1. Terminate Workflow: Stop execution immediately
  2. Continue Execution: Proceed to next step despite error
Select based on whether subsequent steps require the keyword data.

Output Data

The block returns an array of keyword objects with comprehensive metrics:

Keyword

The related keyword phrase. Example: "hubspot crm"

Search Volume

Monthly average search volume. Example: "18100" (18,100 searches/month)

CPC

Average cost per click in USD. Example: "24.92" ($24.92 per click)

Competition

Paid search competition density (0-1). Example: "0.41" (Medium competition) Scale:
  • 0.00-0.33: Low competition
  • 0.34-0.66: Medium competition
  • 0.67-1.00: High competition

Number of Results

Total search results for this keyword. Example: "25100000" (25.1 million results) 12 months of search volume trends (normalized 0-1). Example: "1.00,0.66,0.36,0.36,0.44,0.44,1.00,0.54,0.66,0.66,0.81,0.54" Values represent relative search volume per month. 1.00 = peak month, 0.00 = lowest. Use trends to:
  • Identify seasonal keywords
  • Spot growing/declining interest
  • Plan content timing
How closely related the keyword is to your seed keyword (0-1). Example: "0.5" (Moderately related) Scale:
  • 0.80-1.00: Highly relevant
  • 0.50-0.79: Moderately relevant
  • 0.20-0.49: Somewhat relevant
  • 0.00-0.19: Loosely related
Higher scores = more relevant. Use this to filter top matches.

Keywords SERP Features

SERP features that appear for this keyword. Example: "1,6,9,14,15,20,21,36,51" Numeric codes representing SERP features like:
  • Featured snippets
  • People Also Ask
  • Images
  • Videos
  • Shopping results
More features = more complex SERP, potentially harder to rank.

Sample Output


Best Practices

  • Start with Related Keywords type for broad discovery
  • Use Questions type specifically for content ideation and FAQ pages
  • Use Broad Match to find long-tail variations with commercial intent
  • Filter results by Related Relevance to focus on closest matches
  • Combine with Keyword Overview to get full metrics for promising terms
  • Use Code block to filter results by search volume or competition
  • Request 50-100 results then filter programmatically for best matches
  • Check Trends field to avoid seasonal keywords (unless intentional)
  • Use loops to analyze related keywords for multiple seed terms
  • Save results to sheets for team review and prioritization

Common Use Cases


Understanding the Output

Evaluating Keyword Potential

Ideal keywords have:
  • High volume (10,000+ for competitive niches, 500+ for niche)
  • Low competition (below 0.5)
  • High relevance (above 0.5)
  • Stable trends (no massive fluctuations)
  • Reasonable result count (not 500M+ unless you’re enterprise)
  • Flat trends: Consistent year-round interest
  • Seasonal peaks: Plan content before peak months
  • Growing trends: Rising interest, early opportunity
  • Declining trends: Avoid unless other signals strong
  • 0.80-1.00: Core keywords, highest priority
  • 0.50-0.79: Good supporting keywords
  • 0.20-0.49: Tangential, use selectively
  • 0.00-0.19: Too broad, probably skip

CPC as Commercial Intent Indicator

  • High CPC (above $10): Strong commercial intent
  • Medium CPC ($2-10): Mixed intent
  • Low CPC (below $2): Mostly informational
  • $0 CPC: No paid competition, purely informational

Workflow Examples

Example 1: Blog Content Pipeline

  1. Related Keywords (Questions type): Get 30 question keywords
  2. Loop Block: Iterate through each question
  3. Keyword Overview: Get full metrics for each
  4. Code Block: Filter by volume and difficulty
  5. LLM Block: Generate content brief for each
  6. Google Sheets: Export content calendar

Example 2: Keyword Clustering

  1. Related Keywords (Related type): Get 100 keywords
  2. Code Block: Group by relevance score
  3. Code Block: Calculate average metrics per cluster
  4. Google Sheets: Create prioritized clusters

Example 3: Competitor Gap Analysis

  1. Domain Organic Keywords: Get competitor keywords
  2. Loop Block: For each competitor keyword
  3. Related Keywords: Find related terms
  4. Code Block: Compare with your current keywords
  5. Google Sheets: Export gap analysis

Interpreting Different Keyword Types

  • Semantic variations of your seed keyword
  • Synonyms and alternative phrasings
  • Related concepts and topics
  • Mix of short and long-tail terms
  • Useful for comprehensive content covering a topic

Broad Match Results

  • Contains seed keyword somewhere in query
  • Often includes modifiers (best, free, how to)
  • Longer phrases with specific intent
  • Good for finding buyer keywords
  • Useful for PPC campaign building

Questions Results

  • Who, what, when, where, why, how queries
  • Perfect for FAQ sections
  • Great for featured snippet targeting
  • Voice search friendly
  • Natural language patterns

Filtering and Prioritization

High-Priority Keywords

  • Related Relevance above 0.7
  • Search Volume above your threshold
  • Competition below 0.4
  • Stable or growing trends
  • Manageable result count

Content Opportunity Keywords

  • Questions with 1,000+ volume
  • Related Relevance above 0.5
  • Few SERP features (easier to rank)
  • Commercial CPC (valuable traffic)

Low-Hanging Fruit

  • Search Volume 500-5,000
  • Competition below 0.3
  • High Related Relevance above 0.6 (very specific)
  • Fewer than 50M results

Tips for Best Results

  • Start broad, filter narrow: Request 100 keywords, filter to top 10-20
  • Combine keyword types: Use all three types for comprehensive research
  • Check trends monthly: Seasonal patterns affect content planning
  • Use relevance scoring: Don’t ignore this metric, it’s crucial
  • Consider SERP features: Many features = harder to rank organically
  • Cross-reference with competitors: Are they ranking for these terms?
  • Test CPC correlation: High CPC often means high conversion value
  • Save everything to sheets: Manual review catches insights automation misses

What’s Next

Now that you understand the Related Keywords block: