keyword

pdf biology

Monthly search volume and cost-per-click data for "pdf biology" in US.

$ curl "https://api.seodata.dev/v1/keyword?q=pdf+biology&country=us" +--------------+------------------+ | volume | 480 | | cpc | $0 | | competition | 0 | | country | US | | updated | 2026-08-16 | +--------------+------------------+

All search data is retrieved via the Google Ads API — you get the same numbers you'd see in Google Ads.

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword	volume	cpc	overlap
pdf of biology	480	$0	17/20
biology in pdf	480	$0	14/20
pdf for biology	480	$0	14/20
biology pdf	480	$3.37	13/20
biology books in pdf	170	$1.6	13/20
biology pdf book	170	$0	12/20
book biology pdf	170	$0	12/20
biology pdf free download	140	$0	12/20
biology book pdf free	50	$0	12/20
book of biology pdf	10	$0	12/20

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://api.seodata.dev/v1/keyword?q=pdf+biology&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