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keyword

isaac newton book principia

Monthly search volume and cost-per-click data for "isaac newton book principia" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=isaac+newton+book+principia&country=us" +--------------+------------------+ | volume | 3,600 | | cpc | $0.42 | | competition | 0.14 | | country | US | | updated | 2026-05-20 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
newton's principia 3,600 $0.42 20/20
principia isaac newton 3,600 $0.23 20/20
mathematical principles of natural philosophy 3,600 $0.42 19/20
philosophiæ naturalis principia mathematica 3,600 $0.42 18/20
isaac newton's book principia 3,600 $0.42 17/20
principia newton 3,600 $0.23 16/20
mathematica newton 3,600 $0.23 15/20
newton principia book 3,600 $0.23 15/20
philosophiae naturalis principia mathematica 260 $14.56 20/20
principia mathematica by isaac newton 90 $0.45 16/20

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=isaac+newton+book+principia&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