keyword

biology textbook

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

$ curl "https://app.seodata.dev/v1/keyword?q=biology+textbook&country=us" +--------------+------------------+ | volume | 18,100 | | cpc | $0.9 | | competition | 0.75 | | country | US | | updated | 2026-05-17 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword	volume	cpc	overlap
book of biology	4,400	$0.5	16/20
biology books	2,900	$0.71	14/20
biology text book	210	$1.3	14/20
biology text books	210	$1.39	11/20
biology textbook online	210	$6.62	10/20
online biology textbook	170	$5.21	10/20
biology book online	50	$0	11/20
biology science textbook	50	$1.59	11/20
biology textbook page	50	$0	11/20
text biology	10	$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=biology+textbook&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