"If I saw that "ffl" ligature, how would I know it's a ligature and not some single unrelated character in another language?" Because the name of that characte

"If I saw that "ffl" ligature, how would I know it's a ligature and not some single unrelated character in another language?" Because the name of that character is "Latin Small Ligature ffl". Knowing to capitalize ffl as FFL doesn't require a word list any more than knowing to capitalize "ffl" does.