Synonyms for twin

(astrology) a person who is born while the sun is in Gemini (noun)

• gemini

a waterfall in the Snake River in southern Idaho (noun)

a duplicate copy (noun)

• counterpart
• similitude

duplicate or match (verb)

• duplicate
• parallel

bring two objects, ideas, or people together (verb)

• match
• mate
• couple
• pair

being two identical (adj)

• duplicate
• matching
• twin(a)
• twinned