... MORPHOLOGY...

1.  Is the study of morphemes, obviously. morphemes are words, word sterms amd affixes, basically the unit of language one up from phonemes. Although they are often understood as units of meaning, they are usually considered a part of language´s syntax or grammar. It is specifically grammatical morphemes (www.webspace.ship.edu/cgboer/morphology.html).

the study of the strusture and form of words in language or a language, including infexion, derivation and the formation of compounds (www.thefreediccionary.com).

Is a field of linguistics focus on the study of the forms and formation of words in a language. A morpheme is the smallest indivisible unit of a language that retains meaning. The rules of morphology within a language tend to be relatively regular, so that if one sees  the noun morphemes for the first time, for example, one can reduce that it is likely related to the word morpheme (www.wisegeek.org.

WORD	DEFINITION	EXAMPLE
MORPHEME	Is the smallest meaningful unit  in grammar of a language.
FREE MORPHEME
BOUND MORPHEME
PREFIX
SUFFIX
INFIX
AFFIX
DERIVATIONAL MORPHEME
IFLECTIONAL MORPHEME