13-Letter Words Start with 'sp'

There are 62 13-letter words that start with 'sp'.

spaghettilike	sparkplugging
spasmodically	speakerphones
specialnesses	specification
specificities	spectacularly
spectatorship	spectinomycin
spectrographs	spectrography
spectrometers	spectrometric
spectroscopes	spectroscopic
specularities	speculatively
speechwriters	speedboatings
speleological	speleologists
spermatocytes	spermatogenic
spermatogonia	spermatophore
spermatophyte	spermatozoans
spermatozoids	sphygmographs
spiegeleisens	spinelessness
spinsterhoods	spiritualisms
spiritualists	spiritualized
spiritualizes	spiritualness
spiritualties	spirochetoses
spirochetosis	splashinesses
splendiferous	splenectomies
splenectomize	splenetically
spokesmanship	spokespersons
spondylitises	spontaneities
spontaneously	sporopollenin
sportfishings	sportscasters
sportsmanlike	sportsmanship
sportswriters	sportswriting
sprachgefuhls	spreadability
sprightliness	springinesses

Note: These 62 13-letter words that start with 'sp' are found from the USA & Canada version of the tournament Scrabble word list.

Also see words start with spe, spi, spa, spo, spr, spl, spu, sph, spy.

3-letter words start with 'sp' (2)
4-letter words start with 'sp' (22)
5-letter words start with 'sp' (100)
6-letter words start with 'sp' (173)
7-letter words start with 'sp' (255)
8-letter words start with 'sp' (326)
9-letter words start with 'sp' (273)
10-letter words start with 'sp' (199)
11-letter words start with 'sp' (144)
12-letter words start with 'sp' (110)
13-letter words start with 'sp' (62)
14-letter words start with 'sp' (46)
15-letter words start with 'sp' (15)