Matthew 10:42ποτήριον
And if anyone gives even a cup of cold water to one of these little ones because he is My disciple, truly I tell you, he will never lose his reward.”
Mark 9:41ποτήριον
Indeed, if anyone gives you even a cup of water because you bear the name of Christ, truly I tell you, he will never lose his reward.
Luke 11:39ποτηρίου
Then the Lord said, “Now you Pharisees clean the outside of the cup and dish, but inside you are full of greed and wickedness.
John 18:11ποτήριον
“Put your sword back in its sheath!” Jesus said to Peter. “Shall I not drink the cup the Father has given Me?”
1 Corinthians 10:16ποτήριον
Is not the cup of blessing that we bless a participation in the blood of Christ? And is not the bread that we break a participation in the body of Christ?
Revelation 14:10ποτηρίῳ
he too will drink the wine of God’s anger, poured undiluted into the cup of His wrath. And he will be tormented in fire and sulfur in the presence of the holy angels and of the Lamb.

Abbott-Smith

ποτήριον, -ου, τό dimin. of ποτήρ
(πίνω), [in LXX chiefly for כּוֹס:]
a wine cup: Mat.23:25-26 26:27, Mrk.7:4 14:23, Luk.11:39 22:17, 20 a (WH, R, mg., cm.), 1Co.11:25, Rev.17:4; πίνειν ἐκ τοῦ π., 1Co.11:28; with genitive of thing(s), Mat.10:42, Mrk.9:41; τ. εὐλογίας, 1Co.10:16; by meton., of the contents of the cup, Luk.22:20 b (WH, R, mg., cm.), 1Co.11:25-26; with genitive of person(s), 1Co.10:21 11:27. Metaphorical, of experience of divine providence; of prosperity (Psa.16:5, al.); of adversity (Psa.11:6, Isa.51:17, al.): of the sufferings of Christ, Mat.20:22-23 26:39 10:38-39 14:36, Luk.22:42, Jhn.18:11; of divine punishment, Rev.14:10 16:19 18:6.†
(AS)

Sources: Abbott-Smith’s Manual Greek Lexicon of the New Testament (1922, public domain) and glosses from STEPBible TBESG (CC BY 4.0); STEPBible TAGNT (Greek New Testament, CC BY 4.0); the Berean Standard Bible (public domain). Reformatted by Word Study, wording unchanged. All sources and licenses.