There are 12 11-letter words that start with 'repl'.
| replaceable | replacement | replastered | 
| replenished | replenisher | replenishes | 
| repleteness | repleviable | replevining | 
| replicating | replication | replicative | 
Note: These 12 11-letter words that start with 'repl' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with reple, repla, repli, replo, replu, reply.
5-letter words start with 'repl' (1)