首輪 (くびわ)(animal) collar; necklace; choker

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

Kanji in 首輪

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
五輪ごりんOlympic rings; Olympics
輪わring; circle
競輪けいりんkeirin; cycle racing event, usu. 2km with a paced start and sprint finish
指輪ゆびわ(finger) ring
車輪しゃりん(vehicle) wheel
四輪車よんりんしゃautomobile; car
輪郭りんかくcontour; outline
二輪車にりんしゃtwo-wheeled vehicle (bicycle, motorcycle, etc.)

See how 首輪 connects to the rest of Japanese.