The singular form for the plural noun pharynges (or pharynxes) is pharynx.
The singular form of feet is foot.
The singular form is hilum.
The form plumber is the singular form; the plural form is plumbers.
The noun grandmother is the singular form.
The singular form would be majesty.
The plural form of the noun pharynx is pharynges or pharynxes, both are accepted.
pharynges or pharynxes
The plural form of the word "pharynx" is "pharynges."
Pharynges is preferred, but pharynxes is allowed, at least in non-technical settings.
pharynges
The singular form of the demonstrative pronoun 'these' is this.
The singular form of "that" is "it."
The singular form of "cuffs" is cuff.
The singular form of "stratum" is "stratum." The word does not change in its singular form.
The singular form of feet is foot.
The singular form of diagnoses is diagnosis.
The singular form of scissors is "scissor."