RichThesaurus
lanky
vs
pencil-necked
lanky
adj
Tall, slim, and rather ungraceful or awkward.
pencil-necked
adj
Having a very thin neck.
Insubstantial; weak.
How often have the words
lanky
and
pencil-necked
occurred in a corpus of books?
(source:
Google Ngram Viewer
)