Here are the possible solutions for alternative words used as alternatives for each other in this puzzle's theme answers clue
Answer
Clue
Relevancy
andor
Clue
Alternative words used as alternatives for each other in this puzzle's theme answers
frenemies
Clue
Besties who also literally hate each other's guts but we're besties but we hate each other so much it hurts sometimes
Definition
FRENEMY, a person who pretends to be a friend but is actually an enemy
even
Clue
Like each answer in this puzzle - also each word in each clue - in length
Definition
to make smooth or level
four
Clue
Number of times this puzzle's theme word appears diagonally in the grid (to complete the puzzle, shade those words plus the Down answers that begin where they meet)
Definition
the cardinal number next above three
echochamber
Clue
Radio studio feature, and what each of this puzzle's four other longest answers literally is
spoonerism
Clue
What each of the other four longest answers in this puzzle is
ano
Clue
New element in each of this puzzle's theme answers
assbackwards
Clue
Out of whack, or what's featured in each of this puzzle's theme answers