How many morphemes are there in the English word antidisestablishmentarianism?

Nine

anti-against

dis- deny

e- to make something a given quality

stabl- stable

ish- having a similar quality to the noun preceding it.

ment-suffix that changes a verb to noun; meaning state of

ari-suffix that adds a sense of belonging; makes antidisestablishment an adjective.

an-an individual who subscribes to antidisestablishmentary view.s

ism-disdinctive doctrine, system or theory.