to look for / to seek / to make change

探す: search - common / 捜す: search, investigate - police investigation, rescue, etc.

賢しい: (Alternative form of さかしい) clever, wise, sagacious (possibly obsolete except for in Tōhoku dialect).

he / distal demonstrative, something far off removed from both speaker and listener: that / boyfriend

distal demonstrative, something far off removed from both speaker and listener: that, yon / particularly, male personal third person pronoun: he / by extension from he: boyfriend

he; boyfriend

key (tool for opening or locking something) / key; clue (important fact for solving something) / lock

(computing) key / (music) key

key

search, look for