strength, power

(idiomatic) to be dependable, to be helpful

stairs used in emergencies

state of emergency (unusually difficult or dangerous situation)

The hiragana syllable ろ (ro). Its equivalent in katakana is ロ (ro). It is the forty-third syllable in the gojūon order; its position is ら行お段 (ra-gyō o-dan, “row ra, section o”).

炉: furnace, kiln

(endearing) denotes endearment

理論: a theory

論: theory, argument, view

論理: logic