Singular means only one, so the singular form of feet is foot.
A foot
The singular form of feet is foot.
The centipede's feet is the singular possessive form.
Foot
Yes it is plural. The single form of feet is 'foot'
The term 'false feet' is the plural form; the singular form is 'false foot'.
The singular form is foot.
Hoof in the singular form, hooves in the plural.
The noun 'feet' is plural; the singular form is 'foot'.Examples:He tested the water with one foot then put both feet in.The rail is priced by the foot, you will need six feet.
The singular possessive noun is calf's.The plural form of the noun calf is calves.The plural possessive noun is calves'.Examples:The calf's foot became tangled in the wire.Repair the fence so that the other calves' feet won't be injured.
The singular form of the demonstrative pronoun 'these' is this.
The singular form of "cuffs" is cuff.
The singular form of "stratum" is "stratum." The word does not change in its singular form.