Fill in the blank Questions?

Why don't you just take a ____ guess at the answer?

Let's try to ____ up our differences.

These are the possible words to fill in the blanks:

atmosphere

authority

cashier

dolphin

fashion

laughter

merchadise

pamphlets

physician

research

rough

shoulder

theory

threatened

triumph

patch

second

stitch

stretch

younger

Fill in the blank Questions?downloads

no...i thought it was "take a SECOND guess at the answer"

lets try to PATCH up our differences

Fill in the blank Questions?house call

The first one is "rough," and the second one is "patch."
I think the answer WITH the sentence is this:

Why don't you just take a rough guess at the answer? Let's try to patch up our differences.
rough guess and patch up differences
I agree, definitely rough and patch
rough and patch