Function
Frequency.
Ferrous.
Fault Lines
none
Some words that start and end with letter F are:fallofffireproofflagstafffluffflyleaffoodstufffoolproof
febrero
filibuster
Some words that start with U and end with F: unbelief. uncuff. underproof. undersheriff. unroof.
John F. Downey has written: 'Higher algebra' -- subject(s): Algebra
fearful
wolf
Few, ...........?