| 
								
									   A few words drop their final 
									
										e
									
									 when adding 
									
										-able.
									
									Fortunately, there aren't many of these! There are many more examples of the
									retention of the final 
									
										e.
									
								
							 | 
							
								
									Some exceptions to the rules:
								
							 | 
						
						
							
								
									
										- 
										advisable
										
 
										- 
										desirable
										
 
										- 
										valuable
										
 
									 
								 
							 | 
							
								
									
										- 
										debatable
										
 
										- 
										changeable
										
 
										- 
										noticeable
										
 
									 
								 
							 | 
							
								
							 | 
							
								
									
										- 
										contemptible
										
 
										- 
										digestible
										
 
										- 
										flexible
										
 
									 
								 
							 | 
							
								
									
										- 
										responsible
										
 
										- 
										irritable
										
 
										- 
										inevitable
										
 
									 
								 
							 | 
							
								
							 | 
						
						
							| 
								
									More Exceptions:
								
							 | 
						
						
							| 
								
									Only 
									
										-able
									
									 follows
									
										g,
									
									
										i,
									
									 and the hard 
									
										k
									
									 sound.
								
							 | 
							
								
									The suffix 
									
										-ible
									
									 is commonly used after double consonants like 
									
										ll,
									
									
										rr,
									
									 and some 
									
										d
									
									 sounds and the soft 
									
										c
									
									 sounds.
								
							 | 
						
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
										- 
										infallible
										
 
										- 
										horrible
										
 
										- 
										divisible
										
 
									 
								 
							 | 
							
								
									
										- 
										plausible
										
 
										- 
										edible
										
 
										- 
										credible
										
 
									 
								 
							 | 
							
								
									
										- 
										credible
										
 
										- 
										forcible
										
 
										- 
										invincible
										
 
									 
								 
							 |