Heat
Noun
ねつ
今日は少し熱があるので外出できません。
I have a bit of a fever today so I can’t go out.
なんてこった！ちょっと熱っぽいだけだと思ってたら、体温40度以上あるじゃん！
OMG! I thought I was just a little feverish but my temperature is over 40 degrees!
この五百度の熱を持った鉄をさわってみて、その体験を感想文に書いてください。
Touch this 500-degree-heat iron and write about your experience.
The kanji and the word are exactly the same. That means they share meanings as well.
The reading is the same as the one you learned with the kanji, so don't get all feverish over this one.