Î

This letter represents the sound /aɪ/. It's usually the stress, but not always.

E.g.
to combine -> ta combîne
isle -> île
vile -> vîle
violence -> vîlence
to violate -> ta vîolete
idea -> îdía
irony -> îrony
to contrive -> ta contrîve
to abide -> to abîde
to find -> ta fînd
to grind -> ta grînd
divine -> divîne
knight -> nîht
high -> hîh
height -> hîht


-î is also used as the plural of some words derived from Latin.

E.g.
octopus -> octopî
alonmnus -> alomnî
fongus -> fongî