The combining form hist/o means
Fasci- means pertaining to the fascia.
It means "tissue", as in a part of an organ. Histology is used to study biopsy samples or a large number of cells.Hist- means tissue. An example is histology, which is the study of tissues on a microscopic scale.
Xeno- is the combining form meaning strange or other.
Combining form derm/o means: skin
Malacia (or suffix: -malacia) means any abnormal softening of tissue.
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.
Peri- or Circum- means around.The prefix Peri- means around (ie. pericardium, tissue around the heart)
The prefix hepta- means seven.
The combining form that means hidden is "crypt-" as in "cryptic" or "cryptology."