ATLAS OF LANGUAGE

AT-103-008 · ATLAS 260

Suppletion

The formation of related word forms from etymologically distinct stems.

Part of the subject path Morphology and Word Formation

Why is this entry in the Atlas?

A · Analytical concept R1 · Distinct contribution to understanding

Suppletion examines paradigm unity across strongly different stems. It adds a revealing boundary between function and formal relatedness to allomorphy while the limit with strong allomorphic variation remains theory-dependent.

Colours and admission grounds

The rectangular label identifies the entry function: F – linguistic figure or procedure; A – analytical concept; G – foundational concept; E – selected concrete case. The rounded badge indicates the admission ground: R1 – distinctive contribution; R2 – necessary foundation; R3 – justified illustrative case. This editorial rationale explains the current selection rather than claiming an undocumented original selection history.

Explanation

Suppletion occurs when forms within one grammatical paradigm derive from historically different stems. English go–went or good–better–best shows that strong functional relatedness can exist without transparent formal derivation. What speakers synchronically learn and use as one paradigm has grown together diachronically from separate lexical sources. The concept therefore disrupts the expectation that grammatical regularity must always produce visible similarity of sound. Suppletion is not simply any irregular formation: analysts normally require a major stem difference, although boundaries between strong allomorphy and suppletion vary by theory. The movement of thought leads from outward difference to systemic unity and presents paradigms as historically layered functional orders rather than sets generated by one uniform operation.

Movement of thought

1. A grammatical paradigm first creates the expectation that its forms share a recognisable stem and undergo regular changes. 2. For particular, often frequent lexemes, one paradigm cell contains a form that cannot be phonologically derived from the expected stem. 3. Grammatical function, distribution, and speaker knowledge nevertheless bind the outwardly different forms into one lexical unit. 4. A counter-test examines historical relationship, productive sound rules, and degree of allomorphy before classifying the case as suppletion. 5. The paradigm returns as a functional unity whose visible discontinuities preserve the history of its composition.

Scientific use case

Morphology, acquisition research, and historical linguistics compare paradigms, frequency, and etymology. Psycholinguistic experiments test whether suppletive forms share lexical storage or are processed differently from regular inflection.

Example

Speakers learn go and went as forms of the same verb even though the phonological shape of go cannot predict the past-tense form went.

Counterexample

Small–smaller–smallest changes through a productive comparative pattern and is not suppletive. A spelling alternation alone likewise does not establish independent stems.

Distinction

Distinguish suppletion from regular inflection, phonologically explainable stem alternation, and spelling variation. Its boundary with strong allomorphy is theory-dependent; suppletion usually names the extreme of formal discontinuity within a paradigm.

Effect on thought and perception

Suppletion reveals that grammatical unity may be stronger than formal resemblance and that language systems can functionally integrate historical discontinuities.

Resonance

Different word-bodies answer the same grammatical task; their coupling allows one paradigm to arise beyond the boundary of visible kinship.

Cite this entry

Reich, Michael (Hrsg./ed.): „Suppletion“. Atlas der Sprache, AT-103-008. ATLAS 260, data model 1.6.0. https://atlasoflanguage.com/concept/AT-103-008

https://atlasoflanguage.com/concept/AT-103-008

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Historical background

Veselinova’s WALS account distinguishes weak from strong suppletion, illustrated by buy/bought and go/went, without treating them as a strict binary. Its formal criterion is synchronic, not dependent on distinct etymologies. The German IDS entry supplies a complementary terminological account and German paradigms. Neither source establishes the earliest English use of suppletion. The previous requirement to demonstrate separate stem histories was too restrictive for the cited typological framework; explaining a form’s historical recruitment remains a separate task.

How conceptual history changes the analysis

Identify the relevant paradigm and its formal patterns before applying a chosen definition of suppletion. Historical origin can explain the relation but is not a universal prerequisite for diagnosing it.

Additional example

Original teaching comparison: good/better and small/smaller perform comparable grammatical work through different formal relations. The comparison does not itself explain the origin of better.