Words with Letters: i o n i z i n g ionizing 18:0zoning 16:1ginzo 15:2inion 5:3zing 14:4gin 4:5inn 3:6ion 3:7nog 4:8zig 13:9zin 12:10go 3:11in 2:12no 2:13oi 2:14on 2:15