seodata.dev

keyword

vocabulary books

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

$ curl "https://app.seodata.dev/v1/keyword?q=vocabulary+books&country=us" +--------------+------------------+ | volume | 5,400 | | cpc | $0.39 | | competition | 0.86 | | country | US | | updated | 2026-05-24 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
vocabulary book 5,400 $0.39 20/20
books vocabulary 5,400 $0.64 16/20
book for vocab 5,400 $0.54 11/20
vocab book 5,400 $0.39 11/20
vocabulary books english 1,300 $0.62 19/20
vocabulary book english 720 $0.87 16/20
english vocabulary books 720 $0.87 11/20
vocabulary books for adults 140 $0.95 12/20
vocabulary textbook 50 $0.32 13/20
vocabulary practice books 30 $0.09 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://app.seodata.dev/v1/keyword?q=vocabulary+books&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