multifactorial

nonactor

nonactors

nonfactor

nonfactors

nonreactor

nonreactors

olfactometer

olfactometers

olfactorily

olfactory

protractor

protractors

reactor

reactors

redactor

redactors

reenactor

reenactors

refractometer

refractometers

refractometric

refractometry

refractor

refractories

refractorily

refractoriness

refractors

refractory

retractor

retractors

satisfactorily

satisfactory

subcontractor

subcontractors

tractor

tractors

transactor

transactors

triactor

triactors

unactorish

unsatisfactory

varactor

varactors