r e t i r e m e n t s d i s c u s s i o n s c o m m u n i t i e s p a r a p h r a s e s
im not exactly sure if some of those are real words. but whatever. hope they help.
entitlement
ultravioletunderweightunimportantunobservant
calculatingconsideringcriticizing
11 letter words that begin and end with the same letter:charismaticdisappeareddiscrediteddistributedgalvanizinggerminatingseriousnesstranslucenttransparent
Underground
attentively
dreadnought
Except you gave us 11 letters that spell "celebrating."
the question is from my science class
delivery man
There are 11 letters in the word mathematics. 2 of those 11 are A's. Probability is therefore 2/11.
Only one I can think of is Solid Disk Drive but it's 16 letters not 11