倦憊[kenpai] extreme fatigue
困憊[konpai] exhaustion
疲労困憊[hiroukonpai] total exhaustion

熱疲憊[netsuhihai] heat exhaustion
疲憊[hihai] exhaustion

亜熱帯[anettai] subtropics
悪熱[onetsu] fever following a chill
稲熱[imochi] rice blight
稲熱病[imochibyou] rice blight
炎熱[ennetsu] sweltering heat

温熱[onnetsu] hot fever
温熱性[onnetsusei] thermal
下熱[genetsu] lowering fever
加熱[kanetsu] heating
火熱[kanetsu] heat (from a flame)

御疲れ様[otsukaresama] thank you
看護疲れ[kangotsukare] nursing fatigue
看病疲れ[kanbyouzukare] nursing fatigue
気疲れ[kizukare] mental fatigue
倦み疲れる[umitsukareru] to grow weary

疲らす[tsukarasu] to tire
疲れ[tsukare] tiredness
疲れる[tsukareru] to get tired
疲れ果て[tsukarehate] being tired out
疲れ果てる[tsukarehateru] to get tired out