adamantine strength: / the firmness of one's own spirit, and the strength of one's own spiritual power. / (figuratively, literally) something extremely hard, of extreme strength.

(Buddhism) a square- or octagonal-sided walking stick used by practitioners of 修験道 (Shugendō) or pilgrims / (Buddhism) a vajra (ritual club) possessed by a yaksha

Alternative spelling of ズッ婚バッ婚 (zukkon bakkon, “shotgun marriage”)

constructor (person or organization that constructs) / employee of private military company / (programming) Alternative spelling of コンストラクタ (konsutrakuta, “constructor”)

congratulations

fundamental, radical, basic

Constantine

portable stove

conservative (restrained) / (fashion) conservative (reserved)

chivalrous person / chivalry / knight-errant / tomboy