find·er 
(fīndər)
(fīndər)n.
1. One that finds: a finder of great hidden treasure.
2. A viewfinder.
3. A low-power, wide-angle telescope fixed to the body of a more powerful telescope and pointed in the same direction for initially locating an object to be observed.
- Theodore Walter
- Theodore William
- Theodoric
- Theodor Seuss
- Theodosia Goodman.
- Theodosius Grigorevich
- Theodosius I
- "Theodosius the Great."
- theogonic
- theogony
- "the Old Pretender."
- theologian
- theologic
- theological
- theologically
- theologize
- theologizer
- theology
- theomachy
- theomorphic
- theomorphism
- the only game in town
- theophany
- Theophrastus
- Theophrastus Bombastus von Hohenheim.