Profound Pronoun Pronunciation

Zさん："In Japanese, men refer to themselves as わたし, and women refer to themselves as あたし。Men also refer to themselves as ぼく, so does that mean women can refer to themselves as おく？

Aさん：「。。。あか。」

Equinox

Zさん："I always get the Japanese words for the Vernal Equinox and Autumnal Equinox confused because they sound so similar: しゅんぶん and しゅうぶん。"
Aさん：「In Autumn, the 'n' is silent.」
Zさん："... なるほど ..."