-sis

suffix

forming nouns of action or process / (medicine) forming nouns of condition / forming additional nouns

The analysis of the data revealed interesting patterns.

意味（1）

forming nouns of action or process

catharsis, dialysis, diagnosis, crisis

意味（2）

(medicine) forming nouns of condition

psoriasis, sepsis, tuberculosis, psychosis

意味（3）

forming additional nouns

basis, oasis, thesis, stasis