keyword

sis plural

Monthly search volume and cost-per-click data for "sis plural" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=sis+plural&country=us" +--------------+------------------+ | volume | 40 | | cpc | $0 | | competition | 0 | | country | US | | updated | 2026-06-02 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword	volume	cpc	overlap
sis meaning	6,600	$0	5/20
what does sis mean	1,600	$11.62	3/20
sis or sis	140	$0	5/20
sister plural	140	$0	5/20
sis word	110	$0	5/20
plural of sis	70	$0	17/20
english sis	70	$0	4/20
sis's or sis	30	$0	6/20
sis or sis's	30	$0	4/20
sis root word	30	$0	4/20

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=sis+plural&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