The word "in distinguishabilities" refers to the inability to differentiate or recognize the differences between two or more things. Synonyms for this term include indistinctness, unrecognizability, obscurity, confusion, and vagueness. Other similar terms include uncertainty, haziness, opacity, imprecision, and ambiguity. These words all describe the same idea of a lack of clarity or definiteness, whether in perception, understanding, or representation. When applied to a situation or problem, it suggests that there is difficulty in solving or resolving it due to the lack of distinctness in the various elements involved. Finding synonyms for difficult words like "in distinguishabilities" can certainly enhance one's vocabulary and communication skills.