穏健[onken] quiet
頑健[ganken] robust health
強健[kyouken] robust health
健か[shitataka] determined
健やか[sukoyaka] vigorous

健胃剤[kenizai] stomach medicine
健胃錠[kenijou] stomach tablets
健気[kenage] brave
健脚[kenkyaku] good walker
健脚家[kenkyakuka] good walker

悪筆[akuhitsu] poor handwriting
一筆書き[hitofudegaki] one-stroke sketch
運筆[unpitsu] brush strokes
鉛筆[enpitsu] pencil
鉛筆削り[enpitsukezuri] pencil sharpener

加筆[kahitsu] correction
画筆[gahitsu] artist's brush
偽筆[gihitsu] forged handwriting
曲筆[kyokuhitsu] misrepresentation
健筆[kenpitsu] powerful pen