We
nachnuw (nakh-noo')
we -- we.
have transgressed
pasha` (paw-shah')
to break away (from just authority), i.e. trespass, apostatize, quarrel -- offend, rebel, revolt, transgress(-ion, -or).
and have rebelled
marah (maw-raw')
to be (causatively, make) bitter (or unpleasant); (figuratively) to rebel (or resist; causatively, to provoke)
thou hast not pardoned
calach (saw-lakh')
to forgive -- forgive, pardon, spare.