1). Disappearances 2). Nonappearances
1). Disappearance 2). Nonappearance 3). Reappearances
1). Disappearing 2). Reappearance
1). Coappearing 2). Reappearing 3). Appearances 4). Disappeared
1). Reappeared 2). Appearance 3). Disappears 4). Coappeared
1). Reappears 2). Disappear 3). Coappears 4). Appearing
1). Reappear 2). Coappear 3). Appeared
1). Appears
1). Appear