11-Letter Words Containing: R,E,F,S

• any of various large European beetles destructive to vegetation as both larvae and adult

• electric refrigerator (trade name Deepfreeze) in which food is frozen and stored for long periods of time

• the number of occurrences within a given time period

• the ratio of the number of observations in a statistical category to the total number of observations

• the number of observations in a given statistical category

• a colorless oily compound extracted from coal tar and used in manufacturing synthetic resins

• remove sulfur from

• any of a large group of small songbirds that feed on insects taken on the wing

• large American birds that characteristically catch insects on the wing