穏子: a female given name

弾薬庫: ammunition storehouse, ammunition chamber, magazine

古朝鮮: Gojoseon

(Kagoshima, dialect) Synonym of 本当に (hontō ni, “really”)

a red papier-mâché bobblehead cow toy, a kind of regional omiyage regarded as symbolic of the Aizu region of Japan

(nonstandard) The hiragana syllable こ゚ (ngo). It's equivalent in katakana is コ゚ (ngo).

koaza (Japanese administrative division)

duckboard (slatted flooring) / a slatted base for a bed or sleeping futon / a slatted base for a shower or bath

判子: printing stamp

(informal) Alternative form of あり (ari, “ant”)