"factor" - key terms from Wikipedia

capacity factor
common factor
compressibility factor
conversion factor
correction factor
crop factor
damping factor
discount factor
epidermal growth factor	receptor
factor
factor	analysis
factor	base
factor	h
factor	ix
factor	of safety
factor	v
factor	v leiden
factor	viii
factor	xa
fear factor
fibroblast growth factor
fill factor
five factor
form factor
friction factor
gag factor
growth factor
growth factor	receptor
healing factor
human factor
impact factor
intrinsic factor
load factor
lorentz factor
max factor
nerve growth factor
neurotrophic factor
o'reilly factor
power factor
prime factor
q factor
quality factor
range factor
risk factor
safety factor
scale factor
scaling factor
stress intensity factor
tissue factor
transcription factor