We found one dictionary that defines the word many more:

Phrases: How Many More Times, How Many More Years, and many more, many times more, and many more in the pipeline, more... ▸ Words similar to many more ▸ Usage examples for many more ▸ Idioms related to many more ▸ Wikipedia articles (New!) ▸ Words that often appear near many more ▸ Rhymes of many more ▸ Invented words related to many more