9-Letter Words Ending in SIS

There are 86 9-letter words that end in SIS. 16 are common words, such as CATALYSIS and CATHARSIS. A rarer one is VIBRIOSIS. In this set, O is the most frequent open letter (49 words). 6 words contain a doubled letter.

Full list 86

Common words

catalysiscatharsiscirrhosisdiaeresisdiagnosishalitosisparalysispertussisprognosispsoriasispsychosissclerosis
catalysiscatharsiscirrhosisdiaeresisdiagnosishalitosisparalysispertussisprognosispsoriasispsychosissclerosisscoliosissilicosissymbiosissynthesisacariasisalkalosisamaurosisanabiosisanacrusisanamnesisankylosisapheresisapophasisapophysisapoptosisatmolysisautolysiscaryopsiscatabasischlorosiscoreopsiscytolysisdiaphysisdiastasisdiathesisdigenesiseisegesisepiclesisepicrisisepiphysisepistasisexosmosisexostosisfluorosisgomphosishematosishemolysisheterosiskatabasiskatharsiskeratosislipolysislithiasismelanosismorphosismydriasisnephrosisoogenesisparabasisprolepsisproptosisprothesispyrolysissiderosissyllepsissymphysissyncrisissyneresistoxicosistrichosiszymolysisamebiasisarthrosisasynapsishomolysiskolbassisnoncrisisparchesisparchisisprecrisissannyasissynizesistaeniasisvibriosis

About this list

Words
86 (16 common words)
Common example
catalysis
Rare example
vibriosis
Doubled letters
6
Ending in S
86
Most frequent letter
O (49)

Questions

How many 9-letter words ending in sis are there?

86. 16 of them are common words.

What is a common example?

CATALYSIS is among the common words in this set.