'Giving' or 'giving way' is common if it is a rapid development ('suddenly'). 'Subsiding' is very slow.
New words, one handy idiom, and a 2-minute quiz — delivered to your inbox to keep your streak alive.
Sandy HoBut once I heard someone said :"Give" has many meanings. If the context was " The foundation is giving", it is very possible that the word was "subsidizing", instead of "subsiding".
" The foundation is giving".