room suffix

(crown) + (until)
★★★☆☆
9 strokes
COCKILL PAIRPNSUF
COCK because - in classic nihongo fashion - the most common jukugo (部屋) is the only jukugo to be pronounced wrong:  へや instead of  ぶしつ.

And, what's the difference between 部屋 and plain old 室?

Simple! 部屋-pronounced-wrong is an average house-type room. Anything else with a 室-pronounced-correctly suffix is a specialized room.

Onyomi

SHITSU

Get your SHIT out of my room! Jesus!

Mnemonic

You can't wear the crown until you get to the throne room.

Jukugo

教室(きょうしつ)

classroom ★★★★☆
(teach) + (room suffix) = 教室 (classroom)

待合室(まちあいしつ)

waiting room ★★☆☆☆ KUNKUNNOKURI
(wait) + (to suit) + (room suffix) = 待合室 (waiting room)

更衣室(こういしつ)

clothes-changing - room ★☆☆☆☆
(all over again) + (cloth) + (room suffix) = 更衣室 (clothes-changing - room)

Lookalikes

Meaning Hint Radical
store CORPSE
room suffix CROWN

You go to a mortuary store to buy a CORPSE,
but you wear a CROWN in the throne room.

Synonyms

waiting room
待合室    控え室