There are 12 words that start with 'nico'.
| nicol | nicols |
| nicoise | nicotin |
| nicotine | nicotins |
| nicotiana | nicotines |
| nicotinic | nicotianas |
| nicotinamide | nicotinamides |
Note: These 12 words that start with 'nico' are found from the USA & Canada version of the tournament Scrabble word list.