keyword

best book for improve vocabulary

Monthly search volume and cost-per-click data for "best book for improve vocabulary" in US.

$ curl "https://api.seodata.dev/v1/keyword?q=best+book+for+improve+vocabulary&country=us" +--------------+------------------+ | volume | 320 | | cpc | $0.73 | | competition | 0.78 | | country | US | | updated | 2026-06-27 | +--------------+------------------+

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
book to enhance vocabulary	1,000	$0.92	13/20
books on improving vocabulary	1,000	$0.8	12/20
books to expand vocabulary	1,000	$0.92	12/20
books to help vocabulary	1,000	$0.92	12/20
books to better your vocabulary	390	$1.03	12/20
good books for improving vocabulary	320	$0.73	14/20
best book to expand vocabulary	320	$0.73	12/20
books improve your vocabulary	260	$0.8	12/20
books on increasing your vocabulary	260	$0.8	12/20
improve vocabulary books	140	$0.2	13/20

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=best+book+for+improve+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