
Originally Posted by
mara_ce
Y at the end of a word
1. _ Pronounced i in most words of two or more syllables (healthy, easy).
This includes most adjectives and adverbs. (easily)
2. _ Pronounced ai in one syllable word (my, try), words where the stress is on the last syllable (reply, deny), and words ending in -ify (clarify, terrify).
Exceptions: key (which is a special version of 1. as in turkey, monkey)
3. Where y occurs as a diphthong following another vowel
/ei/ - grey, gray, display, array ...
/oi/ - boy, ploy, destroy, enjoy ...
/ai/ - guy (uncommon diphtong with 'uy')
Y in the middle of a word
4. _ Pronounced i (actually short i, /I/) when it is between consonants (symptom, physics).
Exceptions in /ai/ when followed by:
/b/ - cyborg
/c/ - cycle, cyclic, cycad
/g/ - bygone
/l/ - cylose
/m/ - cymose,
/n/ synovial, synovitis, gynaecology
/p/ - typo, typographical
/r/ tyre, (and other words fitting the next rule); pyro-, Tyrrhenian
/s/ - lysosome
/th/ - python
/ph/ - syphon
5. _ Pronounced ai when the y is followed by a consonant + e (tyre)
(This rule would include a lot of those in rule 4. if it extended to "followed by a consonant + vowel")
6. with words (of Greek origin) beginning psy- or hyp- (psychiatrist).
hypnotist and hypocrit are exceptions pronounced i .