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Definition 2024

-sis

-sis

See also: sis, SIS, sís, šis, šīs, and şiş

English

Suffix

-sis (plural -ses)

  1. forming nouns of action or process
    dialysis, noesis, prosiopesis
  2. (medicine) form noun of condition
    psoriasis, sepsis

Usage notes

Not very productive, primarily used for borrowed terms from Ancient Greek, also some modern coinages on Ancient Greek roots.

Derived terms

<a class='CategoryTreeLabel CategoryTreeLabelNs14 CategoryTreeLabelCategory' href='/wiki/Category:English_words_suffixed_with_-sis'>English words suffixed with -sis</a>

Latin

Suffix

-sis

  1. dative masculine plural of -sus
  2. dative feminine plural of -sus
  3. dative neuter plural of -sus
  4. ablative masculine plural of -sus
  5. ablative neuter plural of -sus
  6. ablative feminine plural of -sus

Etymology

Ultimately from Ancient Greek -σις ‎(-sis, “forms noun of action”), often via Latin or French.

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