-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. Identical in meaning with Latin -entia, English -ing.
Suffix
-sis (plural -ses)
- forming nouns of action or process
- catharsis, dialysis, diagnosis, crisis
- (medicine) forming nouns of condition
- psoriasis, sepsis, tuberculosis, psychosis
- 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 terms suffixed with -sis
Anagrams
- ISS, SSI
Latin
Suffix
-sīs
- dative/ablative masculine/feminine/neuter plural of -sus
Spanish
Suffix
-sis
- -sis
Derived terms
Spanish terms suffixed with -sis
Further reading
- “-sis”, in Diccionario de la lengua española, Vigésima tercera edición, Real Academia Española, 2014