• soupfinn,
• soupfin,
• soupfyn,
• aoup-fin,
• zoup-fin,
• xoup-fin,
• doup-fin,
• eoup-fin,
• woup-fin,
• siup-fin,
• skup-fin,
• slup-fin,
• spup-fin,
• s0up-fin,
• s9up-fin,
• soyp-fin,
• sohp-fin,
• sojp-fin,
• soip-fin,
• so8p-fin

The adjective form of the word "soup-fin" is "soup-finned".

The plural form of the word "soup-fin" is "soup-fins".

The singular form of the word "soup-fin" is "soupfin"