blunder

As an adjective blunter

is comparative of blunt.

As a noun blunder is

a clumsy or embarrassing mistake.

As a verb blunder is

to make a clumsy or stupid mistake.

As nouns the difference between blunder and blinder

is that blunder is a clumsy or embarrassing mistake while blinder is something that blinds.

As a verb blunder

is to make a clumsy or stupid mistake.

As an adjective blinder is

comparative of blind.

As a noun blunder

is a clumsy or embarrassing mistake.

As a verb blunder

is to make a clumsy or stupid mistake.

As an adjective blander is

comparative of bland.

As nouns the difference between blunger and blunder

is that blunger is the apparatus used for blunging (mixing clay with water to make pottery while blunder is a clumsy or embarrassing mistake.

As a verb blunder is

to make a clumsy or stupid mistake.

As a proper noun bloomer

is .

As a noun blunder is

a clumsy or embarrassing mistake.

As a verb blunder is

to make a clumsy or stupid mistake.

As nouns the difference between taxonomy and blunder

is that taxonomy is the science or the technique used to make a classification while blunder is a clumsy or embarrassing mistake.

As a verb blunder is

to make a clumsy or stupid mistake.

As nouns the difference between oversight and blunder

is that oversight is an omission; something that is left out, missed or forgotten while blunder is a clumsy or embarrassing mistake.

As a verb blunder is

to make a clumsy or stupid mistake.

As nouns the difference between blunder and blunderhead

is that blunder is a clumsy or embarrassing mistake while blunderhead is someone who habitually makes mistakes or blunders.

As a verb blunder

is to make a clumsy or stupid mistake.

As nouns the difference between blunder and whoopsy

is that blunder is a clumsy or embarrassing mistake while whoopsy is a mistake or blunder.

As a verb blunder

is to make a clumsy or stupid mistake.

As an interjection whoopsy is

whoops; oops.