The initial idioms of the letter F

first	first aid
First Amendment	first and last
first appearance	first balcony
First Baron Beveridge	First Baron Kelvin
First Baron Lytton	First Baron Macaulay
First Baron Marks of Broughton	First Baron Passfield
First Baron Rutherford	First Baron Rutherford of Nelson
First Baron Tennyson	first base
first baseman	first battle of Ypres
first blush	first cause
first class	First Council of Constantinople
First Council of Lyons	First Council of Nicaea
first cousin	first cranial nerve
first degree	first derivative
First Duke of Marlborough	First Duke of Wellington