As adjectives the difference between uppercase and decapped
is that uppercase is written in upper case; capital while decapped is describing nucleic acid molecules from which a cap has been removed.
As a noun uppercase
is an alternative spelling of lang=en.
uppercase
English
Adjective
written in upper case; capital
decapped
English
Adjective
(
en adjective)
(genetics) Describing nucleic acid molecules from which a cap has been removed
(computing) Converted from uppercase to lowercase