zeal 
(zēl)
(zēl)n.
Enthusiastic devotion to a cause, ideal, or goal. See Synonyms at passion.
[Middle English zele, from Old French zel, from Late Latin zēlus, from Greek zēlos.]
- thingumabob
- thingumajig
- thingumbob
- Thingvellir
- think
- thinkable
- thinkably
- think aloud loud
- think aloud/out loud
- think better of
- think better of
- think big
- thinker
- thinking
- thinking cap
- think little of
- think nothing of
- think out loud
- think piece
- think tank
- think tanker
- think twice
- thinly
- thinner
- thinness