数: number:(numeric) figure / 下図:

打楽器: percussion instrument

実家: home, hometown / 実科: practical learnings

実感: to perceive, to actually feel

実感: actual feeling / 十干: the ten heavenly stems

The そくおん (sokuon): a small form of つ (tsu). In romanization, this is represented by doubling the following consonant. The equivalent in katakana is ッ. / A glottal stop or “choked sound”.

(colloquial) very, super. Inserted after the first syllable of an adjective, an adverb, or an ABAB-type onomatopoeia.

別腹: “separate belly”: in reference to siblings who share the same father but have different mothers

脚絆: gaiter

(dated) 黙禅: a male given name, especially of a pen name