Noun

• S: (n) twin (twin%1:18:00::) (either of two offspring born at the same time from the same pregnancy)
• S: (n) Gemini (gemini%1:18:00::), Twin (twin%1:18:01::) ((astrology) a person who is born while the sun is in Gemini)
• S: (n) Twin (twin%1:17:00::), Twin Falls (twin_falls%1:17:00::) (a waterfall in the Snake River in southern Idaho)
• S: (n) counterpart (counterpart%1:06:00::), similitude (similitude%1:06:00::), twin (twin%1:06:00::) (a duplicate copy)

Verb

• S: (v) twin (twin%2:42:00::), duplicate (duplicate%2:42:00::), parallel (parallel%2:42:01::) (duplicate or match) "The polished surface twinned his face and chest in reverse"
• S: (v) match (match%2:35:08::), mate (mate%2:35:02::), couple (couple%2:35:02::), pair (pair%2:35:01::), twin (twin%2:35:00::) (bring two objects, ideas, or people together) "This fact is coupled to the other one"; "Matchmaker, can you match my daughter with a nice young man?"; "The student was paired with a partner for collaboration on the project"
• S: (v) twin (twin%2:30:00::) (grow as twins) "twin crystals"
• S: (v) twin (twin%2:29:00::) (give birth to twins)

Adjective

• S: (adj) duplicate (duplicate%3:00:00:matched:00), matching (matching%3:00:02:matched:00), twin (twin%3:00:00:matched:00), twinned (twinned%3:00:00:matched:00) (being two identical)