There are 18 10-letter words that start with 'log'.
| loganberry | logaoedics | logarithms | 
| loggerhead | logicality | logicising | 
| logicizing | loginesses | logistical | 
| logjamming | logographs | logogriphs | 
| logophiles | logorrheas | logorrheic | 
| logotypies | logrollers | logrolling | 
Note: These 18 10-letter words that start with 'log' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with logi, logo, logg, loga, logr, logj, logn, logw, logb, loge, logs, logy.
4-letter words start with 'log' (4)