Below are the words that matched your query...
Unicellular
- having or consisting of a single cell
Urceolate
- urn-shaped; large below and contracted toward the mouth
Urethral
- of or relating to the urethra
Urogenital
- of or relating to the urinary and reproductive systems
Usufructuary
- of or relating to the nature of a usufruct
- someone who holds property by usufruct
Uveal
- of or relating to the uvea of the eye
Uveous
- of or relating to the uvea of the eye