to be inexhaustible means to always be available
inhospitality is not welcome. intangibility is not immateriality. ineluctability is not certainty. interatrial_septum is not tangible_thing. interatrial_septum is tangible_thing. possibility is being. entail is estate. ineluctability is certainty. intangibility is immateriality. irreplaceableness is unexchangeability.