A — 1: ψύχος
(Strong's #5592 — Noun Neuter — psuchos — psoo'-khos )

"coldness, cold," appears in John 18:18; Acts 28:2; 2—Corinthians 11:27 .

B — 1: ψυχρός
(Strong's #5593 — Adjective — psuchros — psoo-chros' )

"cool, fresh, cold, chilly" (fuller in expression than psuchos), is used in the natural sense in Matthew 10:42 , "cold water;" metaphorically in Revelation 3:15,16 .

C — 1: ψύχω
(Strong's #5594 — Verb — psucho — psoo'-kho )

"to breathe, blow, cool by blowing," Passive Voice, "grow cool," is used metaphorically in Matthew 24:12 , in the sense of waning zeal or love.