Four letter word--change a letter

O

bins

S

sins

S

sings

O

oops, you cannot add a letter, so the word is still

SINS

Sons

S

oops, hard day yesterday obviously. well spotted LOL

S

song

O

long

T

Bong.

I mean the definition 'To cause to sound with a deep ringing noise'. Not 'A water pipe, used often in smoking narcotic substances'. Neither the Coastman, nor www.postgraduateforum.com condone the use of illegal substances.

S

bone

O

lone

R

none

O

nine

R

pine

O

PINT :-)(up)

R

tint

10714