There are 21 words that end with 'oas'.
| boas | goas | moas | koas |
| anoas | proas | psoas | stoas |
| cocoas | genoas | balboas | bilboas |
| halloas | hilloas | holloas | hulloas |
| feijoas | jerboas | quinoas | curacoas |
| keitloas | |||
Note: These 21 words that end with 'oas' are found from the USA & Canada version of the tournament Scrabble word list.