knockdown

to knock down

knock-knock (knocking sound)

Clipping of ダウン症候群 (Daun shōkōgun, “Down syndrome”).

(sports) match, game

knock (abrupt rapping sound) / (baseball) fungo

to knock / to press down on the rear end of a mechanical pencil and dispense lead

boxing (the sport of boxing)

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