This is the 7145th most frequent Russian word.
бубенцов
The Russian word "бубенцов" refers to "small bells" or "jingles."
The word 'бубенцы' refers to small bells in this sentence and functions as a plural noun describing decorative ornaments.
На ёлке висели блестящие бубенцы.
Shiny bells were hanging on the Christmas tree.
Here, 'бубенцами' is used in the instrumental plural form to indicate bells instrumentally accompanying music.
Они весело звенели бубенцами в такт музыке.
They cheerfully rang bells in rhythm with the music.
The word 'бубенцы' here denotes small ornamental bells available for purchase, functioning as a plural nominative form.