Rule for feminine · die
-schaft → die · no exceptions (1.1%)
Every noun ending in -schaft is feminine and takes die - with no known exceptions. You'll spot the suffix easily: it's added to a base word to form an abstract or collective concept, as in die Mannschaft (team), die Wirtschaft (economy), or die Gesellschaft (society). It covers 1.1% of frequent nouns, so it isn't everywhere, but when it shows up the gender is guaranteed. This is one of the rare 100%-reliable German gender rules - learn it once and trust it forever.