- acacia
- acai
- acid
- acidic
- acrid
- addict
- adroit
- aortic
- arcadia
- arctic
- aria
- arid
- atria
- attic
- cacti
- cardiac
- cardio
- cardioid
- carioca
- carotid
- ciao
- cicada
- circa
- cirri
- citric
- coati
- cocci
- corrida
- corridor
- critic
- croci
- diacritic
- dicta
- dictator
- didact
- didactic
- dirt
- ditto
- droid
- idiot
- idiotic
- iota
- irritator
- oratorio
- radiator
- radii
- radio
- raid
- raita
- ratio
- ricotta
- riot
- roti
- tacit
- tactic
- tiara
- tori
- toric
- torii
- toroid
- torrid
- trait
- traitor
- trattoria
- triad
- tricot
- trio