hot thing / fever

(termite pie) + (round) + (firebottom)
★★★★☆
15 strokes
DUPE

Onyomi

NETSU

You don't want to get a fever form mosquito bites so put NETS around your bed at night.

Mnemonic

They lit a fire all around the termite pie until it was a hot thing.

Kunyomi

あつ*い a hot thing. Also can be used figuratively for hot emotions.
★★★★☆
ねつ a fever. LAZY
★★★★☆

Jukugo

情熱(じょうねつ)

enthusiastic ★★☆☆☆
(emotion) + (hot thing / fever) = 情熱 (enthusiastic)

passionate! Although pretty far from how we'd use that word in english: the Japanese version means "dedicated , hardworking, diligent." 熱心な学生 (a passionate student) . . perhaps a better translation is simply 'enthusiastic.'

熱心(ねっしん) な or  に

passionate ★☆☆☆☆
(hot thing / fever) + (heart) = 熱心 (passionate)

passion - usually used about sports or performances: They praised the actor's passionate performance. She's passionate about her hobby.

熱帯(ねったい)

tropics ★☆☆☆☆
(hot thing / fever) + (belt) = 熱帯 (tropics)

the tropics, tropical zone

Synonyms

hot
暑い    熱い   
passion
情熱    熱心    恋