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keyword

what is surfactant in the lungs

Monthly search volume and cost-per-click data for "what is surfactant in the lungs" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=what+is+surfactant+in+the+lungs&country=us" +--------------+------------------+ | volume | 1,900 | | 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
lung surfactant 4,400 $0 20/20
pulmonary surfactant 4,400 $0 20/20
surfactant lungs 4,400 $0 20/20
surfactant in the lungs 4,400 $0 18/20
surfactant in lungs 4,400 $0 17/20
surfactant of the lungs 4,400 $0 17/20
surfactants lungs 4,400 $0 17/20
what is pulmonary surfactant 1,900 $0 20/20
what is surfactant in lungs 1,900 $0 20/20
what is the surfactant in the lungs 1,900 $0 19/20

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=what+is+surfactant+in+the+lungs&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