but·ter·cream 
(bŭtər-krēm′)
(bŭtər-krēm′)n.
A creamy mixture of butter or other shortening, sugar, and often other ingredients, used as a filling or icing for cakes.
- synaptic cleft
- synaptic vesicle
- synaptinemal complex
- synaptonemal complex
- synaptosomal
- synaptosome
- synarthrodia
- synarthrodial
- synarthrodially
- synarthrosis
- sync
- syncarp
- syncarpous
- syncarpy
- synch
- synch
- synchondrosis
- synchro
- synchro-
- synchrocyclotron
- synchroflash
- synchromesh
- synchronal
- synchronic
- synchronically