As verbs the difference between pranking and franking
is that pranking is present participle of lang=en while franking is present participle of lang=en.
As a noun franking is
device or marking such as postage stamp, printed or stamped impressions, codings, labels, manuscript writings, or any other authorized form of markings affixed or applied to mails to qualify them to be postally serviced.
franking
Noun
(
en noun)
Device or marking such as postage stamp, printed or stamped impressions, codings, labels, manuscript writings, or any other authorized form of markings affixed or applied to mails to qualify them to be postally serviced.
Verb
(head)