Matthew 3:11ὕδατι
I baptize you with water for repentance, but after me will come One more powerful than I, whose sandals I am not worthy to carry. He will baptize you with the Holy Spirit and with fire.
Mark 1:8ὕδατι
I baptize you with water, but He will baptize you with the Holy Spirit.”
Luke 7:44ὕδωρ
And turning toward the woman, He said to Simon, “Do you see this woman? When I entered your house, you did not give Me water for My feet, but she wet My feet with her tears and wiped them with her hair.
John 1:26ὕδατι
“I baptize with water,” John replied, “but among you stands One you do not know.
Acts 8:36ὕδωρ
As they traveled along the road and came to some water, the eunuch said, “Look, here is water! What is there to prevent me from being baptized?”
Revelation 8:11ὑδάτων
The name of the star is Wormwood. A third of the waters turned bitter like wormwood oil, and many people died from the bitter waters.

Abbott-Smith

ὕδωρ
genitive,
ὕδατος, τό,
[in LXX chiefly for מַיִם ;]
water: Mat.3:16, Mrk.1:10, Luk.7:44, Jhn.4:7, Jas.3:12, Rev.8:10, al.; pl., Mat.14:28-29, Jhn.3:23, Rev.1:15, al.; βαπτίζειν (ἐν) ὕδατι, Mat.3:11, Mrk.1:8, Jhn.1:26, al.; τ. λυυτρὸν τοῦ ὕ., Eph.5:26; opposite to οἴνος, Jhn.2:9 4:46; αἷμα, Jhn.19:34, Heb.9:19, 1Jn.5:6 Jn 5:8 Mat.17:15 Mrk.9:22; πνεῦμα, Jhn.1:26, 31 1:33; πνεῦμα καὶ πῦρ, Mat.3:11, Luk.3:16;ἐξ ὕ. κ. πνεύματος γεννηθῆναι, Jhn.3:5; metaphorically, of divine truth and grace (τ.) ὕ. (τ.) ζῶν, Jhn.4:10-11 (cf. Jhn.4:13-15); τ. ὕ. τ. ζωῆς, of spiritual refreshment, Rev.21:6 22:1, 17
(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.