engroove or ingroove /in-groovˈ/

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

• thistle
• thistle butterflies
• thistle butterfly
• thistledown
• thistledowns
• thistles
• thistlier
• thistliest
• thistly
• thither
• thitherward
• thitherwards
• thivel
• thivels
• thixotrope
• thixotropes
• thixotropic
• thixotropies
• thixotropy
• thlipses
• thlipsis
• tho
• tho'
• thoft
• thofts