engroove or ingroove /in-groovˈ/

1. To cut a groove or furrow in
2. To fit into a groove

• thowel
• thowl
• thowless
• tho’
• thrae
• thraldom
• thraldoms
• thrall
• thralldom
• thralldoms
• thralled
• thralling
• thralls
• thrang
• thrapple
• thrappled
• thrapples
• thrappling
• thrash
• thrashed
• thrasher
• thrashers
• thrashes
• thrashing
• thrashing-floor