Matthew 8:2καθαρίσαι
Suddenly a leper came and knelt before Him, saying, “Lord, if You are willing, You can make me clean.”
Mark 1:40καθαρίσαι
Then a leper came to Jesus, begging on his knees: “If You are willing, You can make me clean.”
Luke 5:12καθαρίσαι
While Jesus was in one of the towns, a man came along who was covered with leprosy. When he saw Jesus, he fell facedown and begged Him, “Lord, if You are willing, You can make me clean.”
Acts 10:15ἐκαθάρισεν
The voice spoke to him a second time: “Do not call anything impure that God has made clean.”
Hebrews 9:14καθαριεῖ
how much more will the blood of Christ, who through the eternal Spirit offered Himself unblemished to God, purify our consciences from works of death, so that we may serve the living God!
1 John 1:7καθαρίζει
But if we walk in the light as He is in the light, we have fellowship with one another, and the blood of Jesus His Son cleanses us from all sin.

Abbott-Smith

καθαρίζω
(Hellenistic-FlJ, Inscr.-for Attic καθαίρω, which see, on the vulgar -ερ-, Mat.8:3, Mrk.1:42, see Bl., § 6, 1; Thackeray, Gr., 74) [in LXX chiefly for טָהֵר ;]
to cleanse, make clean.

1. In physical sense: with accusative of thing(s), figuratively, Mat.23:25-26, Luk.11:39; of disease (leprosy), with accusative of person(s), Mat.8:2-3 10:8 11:5, Mrk.1:40-42 Luk.4:27 5:12-13 7:22 17:14, 17; ἡ λέπρα ἐκαθερίσθη (on the spelling see supr.), Mat.8:3.

2. In ethical sense: τ. καρδίας, Act.15:9 (cf. Sir.38:10); τ. χεῖρας, Jas.4:8; λαὸν ἑαυτῷ, Tit.2:14; τ. ἐκκλησίαν, Eph.5:26; with accusative of person(s) (of thing(s)), before ἀπό (131., § 36, 9; Deiss., BS, 216 f.), 2Co.7:1, Heb.9:14, 1Jn.1:7 Jn 1:9.

3. In ceremonial sense: Mrk.7:19, Act.10:15 11:9, Heb.9:22-23 10:2 (cf. δια-καθαρίζω).†
(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.