spaug

As nouns the difference between spag and spaug

is that spag is big, clumsy foot while spaug is (pejorative) a foot.

As a noun spaug

is a foot.

As a verb sprug is

to make smart.

As nouns the difference between spang and spaug

is that spang is a narrow bridge for one walking person (not wide enough for two to meet), a log bridge while spaug is (pejorative) a foot.