<span>a word, letter, or number placed before another. (noun)
or
</span><span>add (something) at the beginning as a prefix or introduction.(verb)</span>
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A CONTENTIOUS person likes to argue about everything. "My mom seems to be CONTENTIOUS person so I avoid conflict with her". Theres a couple ways to use TENSION. "There was a lot of TENSION between the two boys". Or tension used as emotional or physical pain, "I have a TENSION headache so I cannot concentrate well". Both in a sentence could be…."My mom and I are both CONTENTIOUS, it really puts TENSION on our relationship".
Answer:
When a root of a word ends in y, change the y to i if adding a suffix (easy + est = easiest; happy + ness = happiness). However, you keep the y if a vowel comes before it (play + er = player; joy + ful = joyful).
Hope this helps :)