Here's some other words that should get you free ice cream:
The answer lies within
Words with no two:
Words with a two:
Now the only question I have is what kind of training the cashiers go through to figure these out.
I’m thinking this is wrong, because there are some words that break the pattern, but could it be that
So a word that could get you ice cream is
I have no idea if this has anything to do with anything, but
So could I have a scoop of
For #2, a pile of not-really-opposites (but I don't find the "official" answer very convincing either, I'm afraid):
(Note: I am using computer assistance, which may be disqualifying depending on @Trenin's intentions.)
The following were found when I was under the misapprehension that #2 was looking for LL rather than LI. The first is mostly a joke....