13-Letter Words Ending in SIS

There are 53 13-letter words that end in SIS. 4 are common words, such as AMNIOCENTESIS and ELEPHANTIASIS. A rarer one is XENODIAGNOSIS. In this set, O is the most frequent open letter (47 words). 3 words contain a doubled letter.

Full list 53

Common words

amniocentesiselephantiasismetamorphosismononucleosispsychokinesisactinomycosisaspergillosisastereognosisautocatalysisbacteriolysisblastogenesischromatolysis
amniocentesiselephantiasismetamorphosismononucleosispsychokinesisactinomycosisaspergillosisastereognosisautocatalysisbacteriolysisblastogenesischromatolysiscryptanalysisendometriosisfrontogenesisgametogenesishelminthiasishematogenesishematopoiesisheterogenesishypnoanalysisleishmaniasisleptospirosislymphocytosismicroanalysismorphogenesisnarcoanalysisorganogenesisparasynthesispathoneurosispsychogenesissalmonellosisschizogenesisspirochetosisthermogenesistoxoplasmosisunderemphasisatherogenesisblastomycosiscysticercosisembryogenesisendosymbiosisheterozygosishyperhidrosisimmunogenesisiontophoresislymphomatosismelanogenesismyelofibrosisserodiagnosisteratogenesistumorigenesisxenodiagnosis

About this list

Words
53 (4 common words)
Common example
amniocentesis
Rare example
xenodiagnosis
Doubled letters
3
Ending in S
53
Most frequent letter
O (47)

Questions

How many 13-letter words ending in sis are there?

53. 4 of them are common words.

What is a common example?

AMNIOCENTESIS is among the common words in this set.