IR
IN
IM
IL
Any word
100

To not be Responsible

Irresponsible

100

Fake or Forcing yourself

Insincere

100

Not patient

Impatient

100

Hard or immpossible to read 

Illegible

100

Want or desire somthing despratley

crave

200

Can not resiste somthing

Irresistible

200

Not complete

Incomplete

200

Not possible

Impossible

200

Not leagle

Illeagle

200

To keep or preserve somthing for a long time

Retain

300

Thats not regular

Irregular

300

Not important or significant

Insignificant

300

Not polite

Impolite

300

Not logical

Illogical
300

A sweet, round dessert with a whole in the middle

Doughnut

400

Can not be reduced

Irreducible

400

Not costley

Inexpensive

400

Not mortal or enable to die

Immortal

400

A person who Illistrates

Illistrater

400

A sticky liquid often used for arts & crafts

Glue

500

Can not be replaced

Irreplacible

500

Not visisble

Invisible

500

Not balanced

Imbalanced

500

Bad tempered

Ill-tempered

500

used to take a photograph and call and text other people

Iphone