13-Letter Words Start with 'sy'

There are 36 13-letter words that start with 'sy'.

sybaritically	sycophantisms
syllabicating	syllabication
syllabicities	sylvicultures
symbiotically	symbolization
symmetallisms	symmetrically
sympathectomy	sympatholytic
sympatrically	symphonically
symphoniously	synaesthesias
synarthrodial	synchromeshes
synchronicity	synchronising
synchronistic	synchronizers
synchronizing	synchronously
synchroscopes	syndactylisms
synecdochical	synecological
syntactically	synthetically
syringomyelia	syringomyelic
systematising	systematizers
systematizing	systemization

Note: These 36 13-letter words that start with 'sy' are found from the USA & Canada version of the tournament Scrabble word list.

Also see words start with syn, sym, syl, sys, syr, syc, syp, syb, syz, sye, syk.

3-letter words start with 'sy' (1)
4-letter words start with 'sy' (7)
5-letter words start with 'sy' (14)
6-letter words start with 'sy' (28)
7-letter words start with 'sy' (47)
8-letter words start with 'sy' (90)
9-letter words start with 'sy' (104)
10-letter words start with 'sy' (87)
11-letter words start with 'sy' (84)
12-letter words start with 'sy' (61)
13-letter words start with 'sy' (36)
14-letter words start with 'sy' (12)
15-letter words start with 'sy' (17)