Nanism is a 6 letter English word. It's valid Scrabble word worth 8 points. It's valid Words with friends word worth 11 points.
You can make 96 anagrams from letters in nanism (aimnns).
1855-60; French nanisme, equivalent to Greek nân(os) dwarf + French -isme -ism
Atrophy is partial and special in its operation, nanism is general.