the.com/distinct
Different enough that you'd never confuse the two, even squinting.
means Clearly separate, recognizably its own thing, not blurred into anything else.
from From Latin distinguere, to separate or mark off — literally to prick apart with a point, the way a tailor pins fabric into distinct pieces.
Sibling wordShares roots with distinguish and distinction.
Not distinctiveDistinct means separate; distinctive means memorably unique.
Math usageDistinct values are simply ones that aren't equal.