keyword

start of ww2

Monthly search volume and cost-per-click data for "start of ww2" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=start+of+ww2&country=us" +--------------+------------------+ | volume | 12,100 | | cpc | $8.62 | | competition | 0 | | country | US | | updated | 2026-06-13 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword	volume	cpc	overlap
second war 2	165,000	$4.61	20/20
world war second	165,000	$4.61	20/20
when did the second world war start	90,500	$7.91	20/20
when did world war 2 start	90,500	$7.91	20/20
when did ww2 start	90,500	$8.21	20/20
second world war date	60,500	$10.73	20/20
when was ww2	60,500	$2.46	20/20
when was world war 2	49,500	$0	20/20
how did world war 2 start	12,100	$6.41	20/20
what started ww2	12,100	$0	20/20

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=start+of+ww2&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