10-Letter Words Containing: I,F,O,S

• a match in a cockpit between two fighting cocks heeled with metal gaffs

• make formal or official

• declare or make legally valid

• a long-handled hand tool with sharp widely spaced prongs for lifting and pitching hay

• lift with a pitchfork

• resolve (a polynomial) into factors

• set in a rigidly conventional pattern of behavior, habits, or beliefs

• People who fish for a living.

• Members of a culture that is dominated by fishing.

• To suffix.

• To subject a sample to postfixation