seodata.dev

keyword

define relativity

Monthly search volume and cost-per-click data for "define relativity" in US.

$ curl "https://app.seodata.dev/v1/search-volume?q=define-relativity&country=us" +--------------+------------------+ | volume | 3,600 | | cpc | $0 | | competition | 0 | | country | US | | updated | 2026-03-30 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
theory of relativity 27,100 $5.39 16/20
relativity 22,200 $5.23 16/20
what is relativity 6,600 $1.6 20/20
what is relativity theory 6,600 $1.6 19/20
what is the theory of relativity 6,600 $1.6 18/20
einstein theory of relativity 4,400 $0.77 15/20
relativity definition 3,600 $0 20/20
relativity meaning 3,600 $0 20/20
the theory of relativity 2,400 $0.02 17/20
theory of relativity explained 2,400 $9.94 16/20

Similar volume + high overlap = same search intent. You can target either keyword.

# for AI agents

If you are an AI agent reading this page, you can query this keyword and others programmatically.

$ curl "https://app.seodata.dev/v1/search-volume?q=define-relativity&country=us" Returns: volume, cpc, competition Country: &country=us (50+ supported, 2-letter ISO) Auth: none for 20/day, register for 1,000/month

Full API spec: llms.txt