Phonetics - the study and classification of speech sounds, ഉച്ചാരണശാസ്ത്രം, ശബ്ദശാസ്ത്രം.
Semantics - the meaning and interpretation of words, signs, and sentence structure, അർത്ഥശാസ്ത്രം
Morphology - In linguistics, morphology is the study of words, including the principles by which they are formed, and how they relate to one another within a language.
