currach or curragh /ʹkurə, ʹkurəkh/noun

• tree
• treecreeper
• tree fern
• tree frog
• tree fruit
• treehopper
• tree house
• tree-hugger
• tree kangaroo
• tree line
• treen
• treenail
• tree of heaven
• tree of knowledge
• tree of life
• tree ring
• tree shrew
• tree sparrow
• tree surgeon
• tree toad
• tree tomato
• treetop
• tref
• trefoil
• trek