cheville /shə-vēˈ/

1. The peg of a stringed instrument (music)
2. A redundant word or expression used in a verse or sentence for purposes of metre or balance only

• tree snake
• tree snakes
• trees of heaven
• tree sparrow
• tree sparrows
• tree stump
• tree stumps
• tree surgeon
• tree surgeons
• tree surgeries
• tree surgery
• tree toad
• tree toads
• tree tomato
• tree tomatoes
• treetop
• treetops
• tree trunk
• tree trunks
• tree worship
• tree worshipper
• tree worshippers
• tref
• trefa
• trefoil