熱い: (of an object or feeling) hot / 熱い: (of one's body temperature) hot, feverish / 熱い: ardent, enthusiastic, impassionate / 熱い: (of love between a couple) passionate / 暑い: (of weather) hot, baking

厚い: thick / 厚い, 篤い: hearty, sincere, warm / 篤い: (of sickness) serious

忠厚: a male given name

Ka-ending dialect form of あつい (atsui, “hot”)

a male given name

of

solo, monad / single

solitary / Short for ドイツ／独逸 (Doitsu, “Germany (a country)”).

flee, escape / conceal, hide (from the outside world) / Alternative spelling of 佚 (itsu): lost, unknown; indulge; disappear / great, superb, outstanding

very, excellent