adviser
ambition
announcer
annunciator
antecedent
ascent
aspiration
author
authority
authorship
basis
begetter
beginning
birthplace
bonanza
calling
cause
channel
commencement
communicant
communicator
conception
consideration
cornucopia
creator
dawn
dawning
derivation
determinant
documentation
enlightener
expert witness
font
fount
fountain
fountainhead
genesis
goal
gold mine
gossipmonger
grapevine
grass roots
ground
guiding light
guiding star
head
headstream
headwater
headwaters
document
publication
thing
sourced
sources
sourcing
resource
data
development
element
level
Corse
Force
Morse
Norse
bourse
coarse
corse
course
divorce
endorse
enforce
force
fourths
gift-horse
hoarse
horse
midcourse
morse
nourse
outsource
perforce
reinforce
remorse