"Parent" is a countable noun. Most often used in the plural "parents". So you might say "In addition to the children, six parents were present at the party". Countable and uncountable nouns are indicated in good dictionaries for people who are not native speakers of English. A good dictionary for learners is the "Oxford Advanced Learner's Dictionary".
The noun 'mother' is a countable noun, for example:
You must give this note to your mother.
Two mothers have volunteered to host the bake sale.
countable
Countable
Transport is both countable and uncountable as a noun.
The noun 'steel' is an uncountable (mass) noun, a word for a substance.
Countable
The noun 'animal' is a countable noun. The plural form is animals.
Prawn - prawns is the plural - is a countable noun
Transport is both countable and uncountable as a noun.
The noun 'steel' is an uncountable (mass) noun, a word for a substance.
Shark is a countable noun.
Countable
countable
The noun 'daytime' is an uncountable noun.
The noun 'animal' is a countable noun. The plural form is animals.
Prawn - prawns is the plural - is a countable noun
Countable
Pasta is a countable noun
The noun 'plate' is a countable noun, the plural form is plates.Example: You'll need four plates for the table, my parents are coming for dinner.
The word 'violence' is an uncountable noun.