exchange, replace / spare, substitute

substitute / alternate / representative / generation

lifelong / throughout one's life

not / bad / fault

Alternative spelling of はちぶんぎ座 (“Octans”)

(mathematics) quartile

crest (often of a family)

the mon, an old currency / a unit of length for measuring the size of one's foot (from the way that the mon coins would be lined up and used as a kind of inch marker) / a character, a letter

part, section, segment, portion

feeling, mood