15-Letter Words Starting With SE

There are 52 15-letter words that start with SE. 18 are common words, such as SEAWORTHINESSES and SECRETIVENESSES. A rarer one is SESQUICENTENARY. In this set, I is the most frequent open letter (50 words). 16 words contain a doubled letter.

Full list 52

Common words

seaworthinessessecretivenessessecularizationsseductivenessessegregationistssemitransparentsensationalismssensationalistssensationalizedsensationalizessenselessnessessensitivenesses
seaworthinessessecretivenessessecularizationsseductivenessessegregationistssemitransparentsensationalismssensationalistssensationalizedsensationalizessenselessnessessensitivenessessentimentalismssentimentalistssentimentalizedsentimentalizesseptuagenariansservomechanismssententiousnessserendipitouslyserviceablenessservomechanicalsesquicarbonatesesquipedaliansseclusivenessessecondarinessessecuritizationssedimentologiessedimentologistseditiousnessesselectivenessessemiabstractionsemicentennialssemicolonialismsemicrystallinesemicylindricalsemidocumentarysemilogarithmicsemipornographysemiretirementssemisubmersiblesemiterrestrialsemitranslucentsensationalisedsensationalisessensualizationssentimentalisedsentimentalisesseparablenessesseptendecillionseroconversionssesquicentenary

About this list

Words
52 (18 common words)
Common example
seaworthinesses
Rare example
sesquicentenary
Doubled letters
16
Ending in S
31
Most frequent letter
I (50)

Questions

How many 15-letter words starting with se are there?

52. 18 of them are common words.

What is a common example?

SEAWORTHINESSES is among the common words in this set.