13-Letter Words Ending in AS

There are 57 13-letter words that end in AS. 10 are common words, such as ENCYCLOPEDIAS and EXTRAVAGANZAS. A rarer one is VALPOLICELLAS. In this set, I is the most frequent open letter (49 words). 12 words contain a doubled letter.

Full list 57

Common words

encyclopediasextravaganzashypochondriashypoglycemiasneurastheniasonomatopoeiaspaterfamiliaspharmacopeiasquadriplegiassarsaparillasacciaccaturasachlorhydrias
encyclopediasextravaganzashypochondriashypoglycemiasneurastheniasonomatopoeiaspaterfamiliaspharmacopeiasquadriplegiassarsaparillasacciaccaturasachlorhydriasappoggiaturasdecalcomaniasdeuteranopiashyperpyrexiashyperthermiasmaterfamiliasmegalocardiasmetrorrhagiasosteomalaciaspolycythemiasprosopopoeiasschizothymiasailurophobiasballetomaniasboddhisattvaschlorenchymasdysmenorrheasendotheliomaseosinophiliasfibrosarcomasgalactorrheasgalactosemiasglioblastomasgynecomastiashyperkinesiashyperlipemiashypocalcemiasichthyofaunaslollapaloozasmesotheliomasneurofibromasnormothermiasosteosarcomaspancytopeniasparaesthesiasphosphaturiaspreeclampsiassclerenchymasstichomythiassulfonylureassynaesthesiastechnophobiasthalassaemiastradescantiasvalpolicellas

About this list

Words
57 (10 common words)
Common example
encyclopedias
Rare example
valpolicellas
Doubled letters
12
Ending in S
57
Most frequent letter
I (49)

Questions

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

57. 10 of them are common words.

What is a common example?

ENCYCLOPEDIAS is among the common words in this set.