ぬるい
温い lukewarm tepid

ぬるぬる
slimy slippery

ぬるまゆ
微温湯 lukewarm water ぬるま湯 tepid (lukewarm) water

ぬるま湯
ぬるまゆ tepid (lukewarm) water

ぬるむ
温む to cool off to become tepid