| noun | either of two offspring born at the same time from the same pregnancy |
| noun | (astrology) a person who is born while the sun is in Gemini |
| noun | a waterfall in the Snake River in southern Idaho |
| noun | a duplicate copy |
| verb | duplicate or match “The polished surface twinned his face and chest in reverse” |
| verb | bring two objects, ideas, or people together “This fact is coupled to the other one” |
| verb | grow as twins “twin crystals” |
| verb | give birth to twins |
| adjective | being two identical |
| twin | verb | give birth to twins |
| twin | noun | a duplicate copy |
| match | noun | a pair of people who live together |
| mate | noun | an exact duplicate |
| couple | noun | two items of the same kind |
| coupling | noun | a connection (like a clamp or vise) between two things so they move together |
| pair | noun | two people considered as a unit |