I'm gonna say cervix? Most people know the singular and ask the plural.
The singular form of the demonstrative pronoun 'these' is this.
The singular form of "that" is "it."
"Stratum" is the singular form of stratum. The plural form is "strata".
A singular form of dice is a die
The singular form of Oases is, Oasis.
The plural of cervix can either be cervixes or cervices.
The singular form of the demonstrative pronoun 'these' is this.
The singular form of "that" is "it."
The singular form is cuff.
it is already in its singular form.
"Stratum" is the singular form of stratum. The plural form is "strata".
The form hypothesis is the singular form. The plural form is hypotheses.
The plural of cervix is often used as cervixes.However, this is commonly referred to as improper and the correct plural should be cervices.
A singular form of dice is a die
The singular form of feet is foot.
The singular form of Oases is, Oasis.
Phenomenon is the singular form of phenomena.