Dysphonia

n. difficulty in pronouncing words

Dysphonia is the medical term for hoarseness or other phonation disorders. It is considered much less severe than aphonia.
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Dysphonia /dys·pho·nia/ a voice impairment or speech disorder.dysphon´ic dys·pho·ni·a n. Difficulty in speaking, usually evidenced by hoarseness. [more]Dysphonia - Community and Resources

Noun
1. speech disorder attributable to a disorder of phonation
(hypernym) speech disorder, speech defect, defect of speech

(n.)
Alt. of Dysphony