RichThesaurus
emaciated
vs
pencil-necked
emaciated
adj
Thin or haggard, especially from hunger or disease.
pencil-necked
adj
Insubstantial; weak.
Having a very thin neck.
How often have the words
emaciated
and
pencil-necked
occurred in a corpus of books?
(source:
Google Ngram Viewer
)