dwarf — a person of abnormally small stature owing to a pathological condition, especially one suffering from cretinism or some other disease that produces disproportion or deformation of features and limbs.
morph — Linguistics. a sequence of phonemes constituting a minimal unit of grammar or syntax, and, as such, a representation, member, or contextual variant of a morpheme in a specific environment. Compare allomorph (def 2).
wharf — a structure built on the shore of or projecting into a harbor, stream, etc., so that vessels may be moored alongside to load or unload or to lie at rest; quay; pier.
Two-syllable rhymes
red dwarf — any of the faint reddish stars having diameters about half that of the sun and low surface temperatures, about 2000–3000 K; a main sequence star of spectral type M.
white dwarf — a star, approximately the size of the earth, that has undergone gravitational collapse and is in the final stage of evolution for low-mass stars, beginning hot and white and ending cold and dark (black dwarf)