seodata.dev

keyword

sullenness

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

$ curl "https://app.seodata.dev/v1/keyword?q=sullenness&country=us" +--------------+------------------+ | volume | 40,500 | | cpc | $0.23 | | competition | 0.2 | | country | US | | updated | 2026-06-12 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
sullenly 40,500 $0.21 3/20
sullenness definition 18,100 $0 20/20
meaning of sullenness 14,800 $0 20/20
define sullenness 14,800 $0 13/20
definition of sullenness 14,800 $0 13/20
sullenness synonym 2,900 $0 20/20
what does sullenness mean 2,900 $0 13/20
sullenness meaning 1,300 $0 20/20
sullenness in a sentence 1,000 $0 7/20
another word for sullenness 70 $0 6/20

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=sullenness&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