cosingular
/kɒˈsɪŋgyʊlər/Definitions
1. adjective
belonging to two or more singular things; shared by two or more singular entities
“The cosingular frequencies in the sound waves produced by both guitars created an enchanting harmony.”
2. noun
a characteristic or property common to two or more singular things
“The cosingularities in the artwork revealed a deeper connection between the two pieces.”