chick·a·dee 
(chĭkə-dē′)
(chĭkə-dē′)n.
Any of several small plump North American birds of the genus Poecile, having predominantly gray plumage and a dark crown.
[Imitative of its call.]
- impeder
- impediment
- impedimenta
- impedimental
- impedimentary
- impel
- impeller
- impend
- impendence
- impendent
- impenetrability
- impenetrable
- impenetrableness
- impenetrably
- impenitence
- impenitent
- impenitently
- imperative
- imperatively
- imperativeness
- imperator
- imperatorial
- imperceptibility
- imperceptible
- imperceptibleness