seodata.dev

keyword

books to develop vocabulary

Monthly search volume and cost-per-click data for "books to develop vocabulary" in US.

$ curl "https://api.seodata.dev/v1/keyword?q=books+to+develop+vocabulary&country=us" +--------------+------------------+ | volume | 1,000 | | cpc | $0.77 | | competition | 1 | | country | US | | updated | 2026-06-23 | +--------------+------------------+
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
books for vocabulary improvement 1,000 $0.8 18/20
books that build vocabulary 1,000 $0.8 17/20
books to build vocabulary 1,000 $0.77 17/20
books for improving vocabulary 1,000 $0.77 16/20
books on improving vocabulary 1,000 $0.8 16/20
books to boost vocabulary 1,000 $0.77 16/20
books on vocabulary improvement 1,000 $0.8 15/20
books that improve vocabulary 1,000 $0.8 15/20
vocabulary improving books 1,000 $0.8 15/20
build vocabulary books 320 $0.44 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://api.seodata.dev/v1/keyword?q=books+to+develop+vocabulary&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