As nouns the difference between pung and pungy
is that pung is (us|canada) a low box-like sleigh designed to be pulled by one horse while pungy is a small sloop or shallop, or a large boat with sails.
pung
Noun
(
en noun)
(US, Canada) A low box-like sleigh designed to be pulled by one horse.
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pungy
English
Noun
(
pungies)
A small sloop or shallop, or a large boat with sails.
(
Webster 1913)