ὁμοιό-της, ητος, ἡ, 
likeness, resemblance, Democr. 164, Pl. Phd. 109a, al.: pl., ib. 82a, Sph. 231a; ἡ αὑτοῖς ὁ. τῆς διαγωγῆς 
mode of passing life like themselves, Id. Tht. 177a; ὁμοιότητι τετάχθαι κατά τι correspond to.., Id. R. 555a; so ὁμοιότητι εἶναι κατά τι ib. 576c; ὁμοιότητι equally, Id. Ti. 75d: c. dat., 
resemblance to.., Id. Phdr. 253b, al.; [ὁμοιότητες] γίνονται τοῖς τέκνοις πρὸς τοὺς γεννήσαντας Arist. Pol. 1262a16, cf. EN 1108b31; τίνι τῶν ζῴων εἰς ὁμοιότητα; in likeness of what animal ? Pl. Ti. 30c, cf. 81d; καθ’ ὁμοιότητα λέγεσθαι, opp. ἁπλῶς, Arist. EN 1147b34; καθ’ ὁ. σημειοῦσθαι, ἡ καθ’ ὁ. σημείωσις, Phld. Sign. 31, 34; ὁ κατὰ τὴν ὁ. τρόπος ib. 8; later καθ’ ὁμοιότητα c. gen., in the same way as, ἀξιῶν ἐνταγῆναι κἀμοῦ τὸν υἱὸν τῇ τῶν ἐφήβων γραφῇ καθ’ ὁ. τῶν σὺν αὐτῷ POxy. 1202.24 (iii A. D.), cf. 237 vi6 (ii A. D.), BGU 1028.15 (ii A. D.), PSI 1.107.2 (ii A. D.), [Heb 7:15]: without gen., ib. 4.15. 
G3665 — ὁμοιότης
ὁμοιοτητος, ἡ (ὅμοιος), likeness: καθ' ὁμοιότητα, in like manner, [Heb 4:15] (cf. Winer's Grammar, 143 (136)); κατά τήν ὁμοιότητα (Μελχισέδεκ), after the likeness, [Heb 7:15]. ([Gen 1:11]; [Gen 1:4] Macc. 15:4 (3); Plato, Aristotle, Isocr, Polybius, Philo, Plutarch.)
ὁμοιότης , - ητος , ἡ 
 ( < ὅμοιος ), 
 [in LXX : [Gen 1:11-12] (H4327), Wis 14:19 , 4Ma 15:4 * ;] 
 likeness: καθ᾿ ὁμοιότητα ,  in like manner, [Heb 4:15]; id . c . gen . ( MM , xviii),  after the likeness  (of), [Heb 7:15]. †