They are both quadrilaterals
With that fact we can come up with similarities:
Both have 2 pairs of parallel lines
Both have 4 right angles (Angles that measure 90°)
Both have 4 sides
Perimeters can be computed by adding all the sides.
Even if they are both quadrilaterals, they are not the same. A square has 4 equal sides. A rectangle is not a square, but a square is considered to be a special rectangle.
Howl is the root or the base word of howling.
The base word is a word that can be used in respect of any addition or subtraction format. Basically, these are words that can be combined by the prefix and create a new meaning.
They usually stand alone as a word. Also, it is the primary section of the word that can be used in various forms the meaning may or may not change according to the addition which is being done
When howl is considered as a base word or a root word but when it is added with the word ING then it is becoming howling. The word how can be used as a stand-alone, but howling is the word in which a prefix is being added
The prefix of ING is included in this word which can be used in a sentence or a phrase or a clause.
Learn more about base word, here:
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