tree·nail or tre·nail 
(trēnāl′, trĕnəl, trŭnəl) also trun·nel (trŭnəl)
(trēnāl′, trĕnəl, trŭnəl) also trun·nel (trŭnəl)n.
A wooden peg used as a fastener in building wooden ships or timber-frame buildings.
- identical
- identically
- identical rhyme
- identifiable
- identifiably
- identification
- identification card
- identifier
- identify
- identity
- identity crisis
- identity element
- identity function
- identity matrix
- identity politics
- identity sign
- identity theft
- ideo-
- ideogram
- ideogrammatic
- ideogrammatically
- ideograph
- ideographic
- ideographically
- ideography