けんけん

hopping on one foot

ぱんぱん

パンパン ぱんぱん

kapow, bang, slap, clap

つんけん

crabbily, unsociably

いけん

wrong, not good, of no use

けん玉

けんだま

Japanese bilboquet (cup-and-ball game)

ちんけ

チンケ

worst, poor and boring, uncool

けんど

but; however; although

検波

けんぱ

detection (e.g. radio waves), detecting

検版

けんぱん

plate check; plate inspection

血斑

けっぱん

blood spot

献杯

けんぱい

offering a drink

検波器

けんぱき

wave gauge

建白

けんぱく

petition, memorial

倦憊

けんぱい

extreme fatigue

電波系

でんぱけい

somebody who has wild fantasies, someone who hears voices, someone who is crazy

出版権

しゅっぱんけん

publishing rights, right to publish

船舶保険

せんぱくほけん

hull insurance

世間一般

せけんいっぱん

the world in general, society, convention