There are 14 words that end with 'osting'.
| costing | hosting | posting |
| boosting | frosting | ghosting |
| roosting | accosting | cohosting |
| imposting | riposting | defrosting |
| composting | signposting | |
Note: These 14 words that end with 'osting' are found from the USA & Canada version of the tournament Scrabble word list.