Kyūjitai form of 事実 (“fact”)

Kyūjitai form of 現実 (“reality”)

Kyūjitai form of 実在 (“existence; reality”)

Kyūjitai form of 実際 (practicality; actual condition; status quo)

Kyūjitai form of 実体 (“substance; entity”)

one's nature / characteristic / sex, gender / content

the nature of something

-ity, -ness, the nature of quality or something

one's nature / characteristic

(obsolete, historical) Rare archaic alternative spelling of 用いる (mochiiru), historical 用ゐる (mochiwiru): to use