keyword

3rd and 4th amendment

Monthly search volume and cost-per-click data for "3rd and 4th amendment" in US.

$ curl "https://api.seodata.dev/v1/keyword?q=3rd+and+4th+amendment&country=us" +--------------+------------------+ | volume | 320 | | cpc | $0 | | competition | 0.01 | | country | US | | updated | 2026-06-19 | +--------------+------------------+

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
4th amendment	165,000	$3.09	16/20
fourth amendment	49,500	$3.48	14/20
amendment 4	33,100	$3.17	14/20
what is the fourth amendment	14,800	$2.78	14/20
4rd amendment	9,900	$3.18	14/20
the fourth amendment	6,600	$4.34	14/20
amendments 3 and 4	4,400	$0	20/20
4th amendment simplified	4,400	$2.79	14/20
4th amendment drawing	1,600	$0	15/20
third and fourth amendment	320	$0	14/20

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=3rd+and+4th+amendment&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