Rat/Capricorn and Monkey/Leo come in at 81-86%. Nothing overlaps on paper between Rat/Capricorn and Monkey/Leo, so the reading turns on how well two genuinely unrelated temperaments actually get along.
Rat/Capricorn loves by building something durable, and Monkey/Leo loves grandly and wants it witnessed. Rat/Capricorn brings sharp instincts for people and for money; Monkey/Leo brings invention, wit, and a knack for the clever angle. With no shared animal or sign underneath, the affection has to be earned on purpose rather than assumed, but the two gifts can genuinely complement each other once trust is built.
Capricorn talks in plans and quiet commitments, while Leo talks with heart and a little theater, and the Rat in one is clever where the Monkey in the other is inventive. Nothing here is automatic, so listening has to be a choice rather than a reflex until the pattern becomes familiar.
Friction shows when the Rat calculates a shade too coldly when cornered and the Monkey gets restless and cuts a corner for sport, with no shared manners and no common animal instinct to smooth it over. Without a shared script, small misunderstandings can read as bigger signals than they are, so plain talk matters more here than in a pairing with common ground.
What one lacks, the other tends to supply: Rat/Capricorn's charming streak balances against Monkey/Leo's witty one, and the gap between Capricorn and Leo gives both a genuinely new angle instead of an echo. Growth here comes from curiosity about the difference, not comfort in the familiar.
At 81-86%, Rat/Capricorn and Monkey/Leo are strong compatibility. A true cross pairing, nothing assumed and nothing shared going in, so what this becomes depends on the effort both sides put into learning a language neither one speaks by default.