fiver

As an adjective liver

is (label) from or pertaining to liverpool.

As a noun fiver is

(label) a zaidi shi'a muslim.

As nouns the difference between five and fiver

is that five is the digit/figure 5 while fiver is (label) a zaidi shi'a muslim.

As a numeral five

is (cardinal) a numerical value equal to ; the number following four and preceding six this many dots (•••••).

As nouns the difference between taxonomy and fiver

is that taxonomy is the science or the technique used to make a classification while fiver is (label) a zaidi shi'a muslim.