The difference between the right word and the almost right word is the difference between the lightning bug and the lightning.
[Samuel Clemens]

[Lucy]: Mommy, tan I have a ice cube?
[Naomi]: Beez.
[Lucy]: Mommy, tan I have a ice cube pweez?
[Naomi, finger on lips]: Sssss.
[Both, with feeling]: NANANANANA BOO BOO!