-sis

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

English

Etymology

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

Suffix

-sis (plural -ses)

1. forming nouns of action or process

   catharsis, dialysis, diagnosis, crisis

2. (medicine) forming nouns of condition

   psoriasis, sepsis, tuberculosis, psychosis

3. forming additional nouns

   basis, oasis, thesis, stasis

Usage notes

Not very productive: primarily used for borrowed terms from Ancient Greek, though there are also modern coinages based on Ancient Greek roots.

Derived terms

► English words suffixed with -sis

Anagrams

• ISS, SSI

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Latin

Suffix

-sīs

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