Phonology Cheat Sheet

The core ideas of Phonology distilled into a single, scannable reference — perfect for review or quick lookup.

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Quick Reference

Phoneme

The smallest contrastive unit of sound in a language that can distinguish one word from another. Phonemes are abstract mental categories, not physical sounds themselves.

Allophone

A predictable phonetic variant of a phoneme that occurs in a specific environment. Allophones of the same phoneme do not create meaning distinctions in the language.

Minimal Pair

A pair of words that differ in only one phonological segment in the same position, proving that the two differing sounds are separate phonemes in the language.

Phonological Rule

A formal statement describing a systematic sound change that occurs in a particular phonological environment, mapping underlying representations to surface forms.

Syllable Structure

The internal organization of a syllable, typically consisting of an onset (initial consonant or cluster), a nucleus (usually a vowel), and a coda (final consonant or cluster). The nucleus and coda together form the rime.

Distinctive Features

Binary or scalar phonetic properties (such as [+voice], [-nasal], [+continuant]) used to classify phonemes and define natural classes of sounds that behave similarly in phonological rules.

Assimilation

A phonological process in which a sound becomes more similar to a neighboring sound with respect to one or more features, making articulation easier.

Optimality Theory

A linguistic framework developed by Alan Prince and Paul Smolensky in which surface forms result from the interaction of ranked, violable constraints rather than ordered rewrite rules.

Prosody

Suprasegmental features of speech including stress, rhythm, intonation, and tone that extend over more than a single sound segment and contribute to meaning and structure.

Phonotactics

The set of constraints governing the permissible combinations and sequences of phonemes in a language, determining which sound clusters can occur and in what positions.

Key Terms at a Glance

Allophone:A context-dependent phonetic realization of a phoneme that does not change word meaning.

Assimilation:A phonological process in which a sound becomes more similar to a neighboring sound in one or more features.

Autosegmental Phonology:A phonological framework using multiple independent tiers of representation connected by association lines.

Coda:The consonant or consonant cluster that follows the nucleus (vowel) in a syllable.

Complementary Distribution:A distributional pattern where two sounds never occur in the same environment, indicating they are allophones of one phoneme.

Deletion:A phonological process in which a sound is removed from the pronunciation of a word.

Distinctive Feature:A binary or scalar phonetic property used to classify phonemes and define natural classes of sounds.

Epenthesis:The insertion of an additional sound into a word, often to repair phonotactic violations.

Free Variation:When two sounds can occur in the same environment interchangeably without affecting meaning.

Generative Phonology:A theoretical framework using ordered rewrite rules to derive surface forms from underlying representations.

Intonation:The pattern of pitch variation over an utterance, used to convey grammatical structure, emphasis, and speaker attitude.

Metathesis:A phonological process in which two sounds in a word swap their positions.

Metrical Phonology:A theory that represents stress through hierarchical structures (trees or grids) rather than linear notation.

Minimal Pair:Two words that differ by a single phoneme in the same position, proving the two sounds are contrastive.

Natural Class:A set of sounds that share distinctive features and behave uniformly in phonological processes.

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