This is the 2853rd most frequent Japanese word.
かかり
"かかり" means "charge, duty, or connection (function or linkage in a system)."
Usage: "かかり" refers to the onset or effect of something starting to apply, such as medication effect.
この薬は効果がかかりやすいです。
This medicine takes effect easily.
Usage: "かかり" in this context refers to the act of starting or initiating operation, often mechanical or procedural.
機械のかかりが悪いので、修理が必要です。
The machine starts poorly, so it needs repair.
Usage: Though a homophone, "係" (かかり) in this sentence denotes a person in charge or responsible for a specific task or area.