There are 20 words that end with 'ecs'.
| pecs | secs | recs |
| alecs | execs | specs |
| codecs | cusecs | cosecs |
| rebecs | xebecs | zebecs |
| chebecs | fennecs | parsecs |
| tanrecs | tenrecs | hypothecs |
| megaparsecs | kiloparsecs | |
Note: These 20 words that end with 'ecs' are found from the USA & Canada version of the tournament Scrabble word list.