Concurrent
Quadruplets. :)
Quintuplets.
simultaneous, concurrent (ly), co-incident
A word that has the same meaning as another word is a synonym.
Another word that means the same is "synonym." A synonym is a word that has the same or nearly the same meaning as another word. For example, "happy" and "joyful" are synonyms.
A synonym is a word that means the same as another word.
sigh (you can say and sigh at the same time)
At the same time, meantime, in the meantime these were all i could think of,
Another word for "same" is "similar".
To finish simultaneously or concurrently. To finish in unison.
Not an exact synonym, but "sunset" is close to the same time.
Another word that means the same is supporting.