regular icosahedron

Kyūjitai form of 十二面体: dodecahedron

(formal, dated) motorcycle

radish, Raphanus sativus, (specifically) small red radishes

通信社: a news agency

通約: (mathematics) fractional reduction, reduction of a fraction to its lowest denominator / 通訳: interpreting, interpretation (of the spoken word); an interpreter

通約: (mathematics) to reduce a fraction to its lowest denominator / 通訳: to interpret (the spoken word)

通行人: passerby

共通: community

共通: common, shared