Rat/Capricorn and Rat/Cancer read near 82-87%: one Rat heart, two temperaments. The shared animal means a sentimental, loyal core under a shrewd surface on both sides, while Capricorn and Cancer tune the same instrument differently.
The Capricorn Rat loves by building something durable; the Cancer Rat loves protectively and forgets nothing. Underneath, both carry a sentimental, loyal core under a shrewd surface, so the styles differ while the substance agrees. Each recognizes its own reflex in the other and trusts it.
Two Rats talk like partners who trained together. Capricorn talks in plans and quiet commitments, Cancer talks in feelings more than facts, and the shared instinct keeps the exchange quick rather than flat. Neither wastes the other's time.
Friction shows where the two Western tempers diverge, and the shared Rat habit means each calculates a shade too coldly when cornered. The shared clever streak, though, makes short memories of most fights.
The Capricorn half opens doors the Cancer half would rather force, and the Cancer half lends spine to the Capricorn half's patient grace. The doubled Rat instinct becomes an alliance that covers more ground than either could alone.
At 82-87%, Rat/Capricorn and Rat/Cancer are strong compatibility. One Rat nature in two costumes, a bond that starts fluent and grows surer with use.