-phemia
noun combining form
-phe·mia
ˈfēmēə
plural -s
: speech disorder (of a specified type especially relating to the articulation or fluency of speech sounds)
aphemia
brachyphemia
compare -lalia, -phasia, -phony sense 2 
Word History
Etymology
New Latin, from Greek -phēmia speech, from -phēmos speaking (from phēmē speech, from phanai to speak, say) + -ia -y