Word-level analysis asks whether a defect lies in pronunciation, morphological formation, or recognition of meaning.
DefectAreaDiagnostic feature
Sound discordArticulationDifficult pronunciation
Violation of qiyāsMorphologyIrregular formation
ObscuritySemanticsUnclear intended meaning
A word can be easy to pronounce but badly formed; another may conform to morphology yet remain unfamiliar in meaning. Each problem needs its own test.