cro·ny 
(krōnē)
(krōnē)n. pl. cro·nies
A longtime close friend or companion.
[Possibly from Greek khronios, long lasting, from khronos, time.]
- transitional
- transitionally
- transitionary
- transition element
- transitive
- transitively
- transitiveness
- transitivity
- transitorily
- transitoriness
- transitory
- transit photometry
- Transjordan
- Transjordanian
- Transkei
- Transkeian
- translatability
- translatable
- translate
- translation
- translational
- translational medicine
- translative
- translator
- translatorial