2 occurrences of H4240 מחידא
H2330 חוּד chûd
A primitive root; properly to tie a knot, that is, (figuratively) to propound a riddle
KJV Usage: put forth.
H284 אחיחד 'ăchı̂ychûd
From H251 and H2330; brother of a riddle (that is, mysterious); Achichud, an Israelite
KJV Usage: Ahihud.
H2420 חידה chı̂ydâh
From H2330; a puzzle; hence a trick, conundrum, sententious maxim
KJV Usage: dark saying (sentence, speech), hard question, proverb, riddle.