Crossword Clue:

a comparison between two things

AnswerCrossword Clue
AORBChoice between two things
NEEWord between a female's two surnames
WAHIntermediary between a do and two diddies?
SPANSpace between two supports of a bridge.
FACEANGLEFormation between two edges of a polyhedron
THISSIDEUPMessage between two arrows on a shipping container
ISEEITResponse to pointing out a resemblance between two people
LINEA straight one is the shortest distance between two points
EMERGENCVitamin brand with a hyphen between its last two letters
AXIOM"A straight line is the shortest distance between two points," for instance.
FORA word between the two A's in N.A.A.C.P.
ATSIXWhen there's a 180-degree angle between the two hands on a clock face
RIVERSOFAMERICAA sequence of these snakes between two of the grid's corners, traveling horizontally and vertically