It's important to note that "elder" is a word in its own right, not simply a suffix. The suffix "-er" is used to form the comparative form of adjectives and adverbs, but "elder" is the comparative form of "old", meaning "older".
It's important to note that "elder" is a word in its own right, not simply a suffix. The suffix "-er" is used to form the comparative form of adjectives and adverbs, but "elder" is the comparative form of "old", meaning "older".