alternations

"alternation between night shifts and day shifts"

"The church service featured beautiful alternations, with the congregation responding to the minister's sermon in a call-and-response style. "

"The past tense forms of some verbs, like "sing, sang, sung," show clear alternations in the vowel sound. "

"dative alternation; locative alternation"

"The teacher allowed alternations; students could choose to write their essay on either the book or the movie, or even both. "

"The stock market showed unpredictable alternations between gains and losses throughout the day. "

"The search query used alternations to find either "cat" or "dog" in the documents. "

"The visual effect of the alternating black and white squares in a checkerboard can be seen as alternations of colored tiles. "