Note. German, Mussulman, Ottoman, dragoman, firman, and talisman, which are not compounds of man, form their plurals regularly: as,—Germans, Mussulmans. Norman also forms its plural in s.

76. A few nouns have the same form in both singular and plural.

Examples:

Note. This class was larger in older English than at present. It included, for example, year, which in Shakspere has two plurals:—“six thousand years,” “twelve year since.”

77. A few nouns have two plurals, but usually with some difference in meaning.

SingularPlural
brotherbrothers (relatives)
brethren (members of the same society)
horsehorses (animals)
horse (cavalry)
footfeet (parts of the body)
foot (infantry)
sailsails (on vessels)
sail (vessels in a fleet)
headheads (in usual sense)
head (of cattle)
fishfishes (individually)
fish (collectively)
pennypennies (single coins)
pence (collectively)
clothcloths (pieces of cloth)
clothes (garments)
diedies (for stamping)
dice (for gaming)

78. When compound nouns are made plural, the last part usually takes the plural form; less often the first part; rarely both parts.

Examples: