Word: devocalize
Part of speech: Verb
Syllables: de
vo
cal
ize
Definition: To make toneless; to deprive of vowel quality.
Morphemes:
Affix: de-
Language: en
PoS: Prefix
Meaning: Intensifying; make more intense, stronger, or more marked; 
Etymology Compounds: Affix: dē-
Language: la
Decoded: de-
PoS: Prefix
Meaning: de-
Affix: vocal
Language: en
PoS: Adjective
Meaning: Used in the production of speech sounds.
Etymology Compounds: Affix: vōcālis
Language: la
Decoded: vocalis
Meaning: uttering a voice, sounding, speaking
Affix: -ize
Language: en
PoS: Suffix
Meaning: to make what is denoted by the noun/adjective