unison

"Separate the articles from the headings."

"You can create the color orange by mixing yellow and red."

"The family felt a strong sense of togetherness during their holiday vacation. "

"My sister is very helpful, especially when it comes to organizing things. "

"The distribution of the school supplies was done fairly, giving each student an equal amount. "

"The alarm clock and the baby's cry went off simultaneously. "

"My sister and I have identical handwriting styles; it's difficult for our teacher to tell our papers apart. "

"The generator went off line when it lost synchronization with the power line."

"The acoustics in the concert hall were so good that every note sounded clear and vibrant. "

"The family members had a harmonious dinner, talking and laughing together without arguing. "

"The interval between the houses on the street was quite large. "

"to enter an agreement;  the UK and US negotiators nearing agreement;  he nodded his agreement."