dot·tle 
(dŏtl)
(dŏtl)n.
The plug of tobacco ash left in the bowl of a pipe after it has been smoked.
[From DOT1, lump (obsolete).]
- demonolatry
- demonologic
- demonological
- demonologist
- demonology
- demonstrability
- demonstrable
- demonstrableness
- demonstrably
- demonstrate
- demonstration
- demonstrative
- demonstratively
- demonstrativeness
- demonstrator
- demoralization
- demoralize
- demoralizer
- De Morgan
- demos
- Demosthenes
- demote
- demotic
- demotion
- demount