Valleyside is a synonym of daleside.
As a noun daleside is
(uk) the side of a dale.
valleyside
Not English
Valleyside has no English definition. It may be misspelled.
daleside
English
Noun
(
en noun)
(UK) The side of a dale.
* 1999 , C Philip Wheater, Urban habitats
- With time, nutrients are leached from the organic material, rabbits graze the vegetation, and the species become more typical of daleside communities.
Synonyms
* valleyside