Typical nouns of this type are input, onrush, outflow, overspill, throughput, upkeep, and upsurge, almost always written as solid forms.
Just as easily, the phrasal noun can appear flanked by other nouns, as in cattle round-up time and population overspill problem.
This sound pattern does not occur in the suburbs and the overspill council estates formed by slum clearances, in which the population is drawn from different parts of the city.
Thirdly, that the accommodation provided in the overspill area should be available in sufficient amount for population from the area of the promoting authority.
The question is whether the problem should be solved by territorial acquisition, by overspill, or, perhaps, by a new town.
It shows a complete disregard for trying to retain the natural characteristics of the area in which overspill development takes place.
Those new towns built to take overspill from conurbations must have industry.
It is not just a question of decanting the overspill from the conurbations.