首級 (しゅきゅう)decapitated head of an enemy

首級, its kanji, and other words that share them.Open this graph

Kanji in 首級

首相しゅしょうprime minister; chancellor (Germany, Austria, etc.)
首脳しゅのうhead; leader
党首とうしゅparty leader
首都しゅとcapital city; metropolis
首くびneck
首位しゅいfirst place; head position
首都圏しゅとけんthe capital city (often Tokyo) area (typically within 50 km of city's centre) (center)
一首いっしゅone tanka; one poem
高級こうきゅうhigh class; high grade
級きゅうclass (e.g. school); grade
階級かいきゅう(social) class
同級生どうきゅうせいclassmate
上級じょうきゅうadvanced level; high grade
学級がっきゅう(school) class
一級いっきゅうone grade; first-class
同級どうきゅうthe same grade; same class

See how 首級 connects to the rest of Japanese.