15-Letter Words Matching S_______I______

There are 40 15-letter words that match S_______I______. 9 are common words, such as SEAWORTHINESSES and SEGREGATIONISTS. A rarer one is SYNCHRONISATION. 14 words contain a doubled letter.

Full list 40

Common words

seaworthinessessegregationistssprightlinessesstandardizationsubstantiationssuperscriptionssyllabificationsynchronizationsystematizationsarraceniaceousserendipitouslysingularization
seaworthinessessegregationistssprightlinessesstandardizationsubstantiationssuperscriptionssyllabificationsynchronizationsystematizationsarraceniaceousserendipitouslysingularizationstandoffishnesssuburbanizationsuperficialnesssuperindividualsuperlativenesssynchronicitiessaprogenicitiessecondarinessessilversmithingssinterabilitiessolderabilitiesspinthariscopesspreadabilitiessqueezabilitiessuboptimizationsuborganizationsubstantialnesssubstantivenesssubstantivizingsubvocalizationsuperactivitiessuperefficiencysuperencipheredsuperfluiditiessuppressibilitysuppressivenesssurvivabilitiessynchronisation

About this list

Words
40 (9 common words)
Common example
seaworthinesses
Rare example
synchronisation
Doubled letters
14
Ending in S
24

Questions

How many 15-letter words matching s_______i______ are there?

40. 9 of them are common words.

What is a common example?

SEAWORTHINESSES is among the common words in this set.