pronunciation.diphthongs

Diphthongs: one syllable, two vowels

Weak (i, u) + strong (a, e, o) or weak + weak fuse into one syllable: bien, bueno, ciudad, aire. Strong + strong stay separate: le-er, ca-os.

⚠ Stub: AI-drafted outline, not yet reviewed. The structure is permanent; the content will be expanded.

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Explanation

Fourteen combos glide: ia ie io ua ue uo (rising: tierra, fuego), ai ei oi au eu ou (falling: aire, deuda), iu ui (ciudad, cuidado). They count as ONE syllable for stress rules.

An accent on the weak vowel breaks the diphthong into two syllables — that's hiatus (día, país) — see the hiatus rule.

Examples

Bueno, hay tiempo el miércoles.
Well, there's time on Wednesday.

Region: global

Europa y Asia.
Europe and Asia.

Region: global

Related rules