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keyword

surfactant definition anatomy

Monthly search volume and cost-per-click data for "surfactant definition anatomy" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=surfactant+definition+anatomy&country=us" +--------------+------------------+ | volume | 40 | | cpc | $0 | | competition | 0 | | country | US | | updated | 2026-05-26 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
surfactant 40,500 $0.6 13/20
surfactant definition 6,600 $0.82 17/20
surfactants meaning 6,600 $0.82 10/20
surfactant lungs 4,400 $0 11/20
what is surfactant in lungs 1,900 $0 11/20
what is pulmonary surfactant 1,900 $0 10/20
what is surfactant in the lungs 1,900 $0 10/20
surfactant in lungs definition 210 $0 10/20
surfactant lungs definition 210 $0 10/20
surfactant definition medical 170 $0 11/20

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=surfactant+definition+anatomy&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