Cognate:

-realted to similar, same ancestors, realted by blood

-adjective

-

-Twins are always cognate to each other.

-kin, cognatus, nasci

Derivative:

-the adapted version of something

-adjective or noun

-

-The human has derived from the ape.

-Derived, derive, derivable

Diminutive

-a small object, a small person

-adjective

-

-The small people were very diminutive in stature.

-diminish, diminution, deminutivus

Inflection:

-molding of someones voice, change in sound

-noun

-

-The boy went through inflection during puberty.

-iniflect, modulation, inflectional

Orthography:

-the study of proper spelling ways and proper english

-noun

-

-The english teacher was very good with orthography.

-orthographer, orthographist, correct