seodata.dev

keyword

vocabulary expansion app

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

$ curl "https://app.seodata.dev/v1/keyword?q=vocabulary+expansion+app&country=us" +--------------+------------------+ | volume | 260 | | cpc | $3.28 | | competition | 0.31 | | country | US | | updated | 2026-05-21 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
vocabulary apps 4,400 $3.09 20/20
vocabulary app 3,600 $2.78 20/20
vocabulary builder app 2,900 $2.91 19/20
app to expand vocabulary 1,000 $3.78 17/20
app to increase vocabulary 1,000 $4.21 17/20
vocabulary building app 880 $2.81 20/20
vocabulary improvement apps 880 $3.23 20/20
vocabulary expanding apps 260 $3.28 19/20
apps for expanding vocabulary 260 $3.28 18/20
enhance your vocabulary app 50 $4.6 18/20

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+expansion+app&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