Painter
manurer
The word is APPARENT.
The word contains the word formation. It also contains the words info, form, for, mat, on, in, or and at.
piranhas :-)
skyscraper
The eleven letter word is preliminary.
carpentry
n p =n!/(n-r)! r and n c =n!/r!(n-r)! r
rising into the air
SPINACH
R. P. N. Sinha has written: 'Our trees'
person