verbs
grow together (of plants and organs)
"After many years the rose bushes grew together"
domain category
(botany) a living organism lacking the power of locomotion
is a type of (narrower)
mix together different elements
"The colors blend well"
blend, coalesce, combine, commingle, conflate, flux, fuse, immix, meld, merge, mix
grow or become attached by accretion
"The story accreted emotion"
is a type of (narrower)
collect or gather
"Journals are accumulating in my office"; "The work keeps piling up"