synthetic

synthesis

syllable

myth

mystical

mystery

Egypt

heiroglyphic

cylinder

pygmy

rhythm

syndrome

syncopate

synchronize

idyll

chlorophyll

chrysanthemum

crypt

crystal

acrylic

lymph

lymphatic

cyst

cystic

cygnet

cynic

typical

physics

physical

encyclical

misogynist

dysfunction

gym

gypsum

gymnasium

gypsy

analytic

paralysis

analysis

paralytic

apocolyptic

cryptic

onyx

anonymous 

anonymity

acronym

catalyst

amethyst

aneurysm

physicist

polygamy

cynical

anaphylactic