endearment (n) 表示爱慕的话语
She speak endearment to her pet every day.
{She} is the third singular, so please add an -s at the end of {speak}.
endearment means “the act of endearing, such as a caress or a hand on a shoulder”.

So, we must use it like this:

• “Words of endearment”
• “Object of my endearment”
• “terms of endearment”

She love to speak endearment to her pet.
{She} is the third singular, so please add an -s at the end of {jump}.
She speaks words of endearment to her pet every day.

She don’t like to speak endearment.
{She} is the third singular, so we use {doesn’t}.
endearment – noun
endearing – adjective
She doesn’t like to say endearing things.