Hi
Would you say that both words work here equally naturally?
The lyrics in the song are (painfully) repetitive.
The lyrics in the song are (painfully) repetitious.
Thanks,
Tom
Use "repetitious". "Repetetive" is more literal. Both work, but this is what "repetitious" is for.
Use "repetitious". "Repetetive" is more literal. Both work, but this is what "repetitious" is for.