manurer
The word is APPARENT.
piranhas :-)
skyscraper
carpentry
The eleven letter word is preliminary.
n p =n!/(n-r)! r and n c =n!/r!(n-r)! r
R. P. N. Sinha has written: 'Our trees'
rising into the air
SPINACH
person
Those letters can be used to spell "proportional".