From inter- + substitutable. <span class="searchmatch">intersubstitutable</span> (not comparable) Capable of being substituted for each other; interchangeable. 2007 November 29, Manfred...
From inter- + substitutability. <span class="searchmatch">intersubstitutability</span> (uncountable) The quality of being <span class="searchmatch">intersubstitutable</span>....