retund

As a noun terms

is .

As a verb retund is

to blunt; to turn, as an edge.

As an adjective rotund

is having a round or spherical shape; circular; orbicular.

As a verb retund is

to blunt; to turn, as an edge.

As verbs the difference between retund and retune

is that retund is to blunt; to turn, as an edge while retune is to tune again.

As verbs the difference between refund and retund

is that refund is to return (money) to (someone); to reimburse while retund is to blunt; to turn, as an edge.

As a noun refund

is an amount of money returned.

As verbs the difference between retund and retuned

is that retund is to blunt; to turn, as an edge while retuned is (retune).