五十音: The modern ordering of the Japanese syllabaries: あいうえおかきくけこ etc.

to recall, to remember / to learn / to memorize / to feel (an emotion or sense)

perfect, infallible, complete

perfection, infallibility, completeness

Synonym of 片仮名

呉音: One category of on'yomi (音読み, おんよみ), the Japanese approximation of the original Chinese pronunciation of a kanji character.

轟音: a loud rumbling or booming noise

五十: fifty, 50

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