As nouns the difference between precancel and precancer
is that precancel is a postage stamp or mail item that has been precancelled while precancer is an incipient form of cancer that may become malignant if not treated.
As a verb precancel
is to cancel or frank a postage stamp prior to posting it.
As an adjective precancer is
before the onset of cancer.
precancel
English
Verb
To cancel or frank a postage stamp prior to posting it.
precancer
English
Adjective
(-)
Before the onset of cancer.
Noun
(
en noun)
An incipient form of cancer that may become malignant if not treated.