Homonyms: Words of the Same Form
Homonyms are words which are identical in sound and spelling, or, at least, in one of these aspects, but different in their meaning.
E. g. J bank, n. — a shore
bank, n. — an institution for receiving, lending, exchanging, and safeguarding money
ball, n. — a sphere; any spherical body ball, n. — a large dancing party
English vocabulary is rich in such pairs and even groups of words. Their identical forms are mostly accidental: the majority of homonyms coincided due to phonetic changes which they suffered during their development.
If synonyms and antonyms can be regarded as the treasury of the language's expressive resources, homonyms are of no interest in this respect, and one cannot expect them to be of particular value for communication. Metaphorically speaking, groups of synonyms and pairs of antonyms are created by the vocabulary system with a particular purpose whereas homonyms are accidental creations, and therefore purposeless.
In the process of communication they are more of an encumbrance, leading sometimes to confusion and