Digging through cmudict reveals the real rules for i-words: [ɪ] vs [aɪ]

voooooogel · x · 2026-10-12

To settle an argument about two-syllable words, the author checked cmudict/WordNet and found the pattern is broader: i-words with closed initial syllables take [ɪ] (India, irk); open syllables take [aɪ] (idea, ironic, icon). Exceptions: latinate in-/im- prefixes shift to [ɪ] (image), and open stressed syllables 3+ syllables from the end usually undergo trisyllabic laxing to [ɪ] (iterative, idiot) — though Idaho and ivory break that too.

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