seodata.dev

keyword

affair relationship

Monthly search volume and cost-per-click data for "affair relationship" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=affair+relationship&country=us" +--------------+------------------+ | volume | 110 | | cpc | $0 | | competition | 0.05 | | country | US | | updated | 2026-06-18 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
affair 27,100 $4.52 13/20
affair an 5,400 $0 10/20
what is an affair 4,400 $0 17/20
what is an affair in a relationship 210 $0.98 14/20
relationship affair 110 $0 13/20
affair to relationship 110 $0 12/20
affair in relationship 110 $0 11/20
what is having an affair 70 $0 13/20
definition of affair in marriage 50 $0 11/20
is an affair a relationship 0 $0 13/20

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/keyword?q=affair+relationship&country=us" Returns: volume, cpc, competition Country: &country=us (50+ supported, 2-letter ISO) Auth: none for 20/day, register for 500/month, $4.99/mo unlimited

Full API spec: llms.txt