The suffix graph is defined as: A instrument used to record; record.
-graphy is the medical terminology combining form meaning the process of recording.
gram means record of.
-scope is the medical terminology combining form meaning instrument to view.
The combining form hist/o means
Xeno- is the combining form meaning strange or other.
Combining form derm/o means: skin
The combining form that means "nail" is onych/o.
Combining form for shape
A hump is not a medical term, so I can't give you the correct combining form.
The prefix hepta- means seven.
The combining form that means hidden is "crypt-" as in "cryptic" or "cryptology."