There are 10 words that start with 'sniffi'.
| sniffier | sniffily |
| sniffing | sniffish |
| sniffiest | sniffiness |
| sniffishly | sniffinesses |
| sniffishness | sniffishnesses |
Note: These 10 words that start with 'sniffi' are found from the USA & Canada version of the tournament Scrabble word list.