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Keyword · US · updated 2026-06-07

21 cms

Monthly searches
3,600
CPC
$0.00
Competition
0

Also searched

Monthly average for US, from the Google Ads API: the same numbers you'd see in Google Ads.

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Related keywords

Keywords with overlapping search results. Similar volume and high overlap means the same search intent, so you can target either.

Keyword Volume CPC Overlap
cms 165,000 $12.72 2/20
21 centimeters to inches 74,000 $0.00 2/20
21 cm in inches 74,000 $0.00 2/20
21 cm to inches 74,000 $0.00 2/20
21cm to inches 74,000 $0.00 2/20
cms medicaid 1,900 $15.32 3/20
cms 21 140 $0.00 3/20
cms-21 140 $0.00 3/20
cms title 21 70 $3.33 3/20
cms chapter 21 40 $0.00 6/20
For AI agents: query this keyword over HTTP
$ curl "https://api.seodata.dev/v1/keyword?q=21+cms&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 · lookup_keyword over MCP