1. Sound like a half-formed whistle expressing astonishment, scorn, or dislike 
2. Expresses relief or tiredness
   - phew

Sounds like: few, phew, feu

• Thuja occidentalis
• Thuja orientalis
• Thuja plicata
• Thujopsis
• Thujopsis dolobrata
• Thule
• thulium
• thumb
• thumb index
• thumbed
• thumbhole
• thumbnail
• thumbnut
• thumbprint
• thumbs-down
• thumbs-up
• thumbscrew
• thumbstall
• thumbtack
• thump
• thump out
• thumper
• thumping
• Thunbergia
• Thunbergia alata