G5593–ψυχρός–psuchros

Whoever gives one of these little ones just a cup of cold water to drink in the name of a disciple, most assuredly I tell you he will in no way lose his reward."

ψυχροῦ psuchrou “of cold [water]”

"I know your works, that you are neither cold nor hot. I wish you were cold or hot.

ψυχρὸς psuchros “cold”ψυχρὸς psuchros “cold”

So, because you are lukewarm, and neither hot nor cold, I will vomit you out of my mouth.

ψυχρός, psuchros “cold,”