refractions

refractive

refractively

refractiveness

refractivities

refractivity

refractometer

refractometers

refractometric

refractometry

refractor

refractories

refractorily

refractoriness

refractors

refractory

refracts

refrain

refrained

refraining

refrainment

refrains

reframe

reframed

reframes

reframing

refrangibility

refrangible

refrangibleness

refreeze

refreezes

refreezing

refresh

refreshed

refreshen

refreshened

refreshening

refreshens

refresher

refreshers

refreshes

refreshing

refreshingly

refreshment

refreshments

refried

refries

refrigerant

refrigerants

refrigerate