The echidna is one of only two types of monotremes in the world.Like the platypus, the echidna is an egg-laying mammal.
No word in the whole entire universe rhymes with echidna. The name "Edna" could be a close rhyme.
The word crises is a plural word; it is the plural form of the word crisis.
Echidna
There is no plural word for if.
The plural form for the demonstrative pronoun this is these.
A non-plural word, a word (noun or pronoun) that is not plural is singular, a word for just one.
The plural word of delay is delays.
the plural word is comedones
No it's a singular word. A plural word would be "have".
The plural of the word "raisin" is "raisins."
Leukocytes is the plural of leukocyte