Dear WW: your "redundant" suggest listing synonyms:
tautology [tɔ¢°'tɒlədʒ©¥]
noun
(plural: -gies)
1 the use of words that merely repeat elements of the meaning already conveyed, as in the sentence Will these supplies be adequate enough? in place of Will these supplies be adequate?

2 (Logic) a statement that is always true, esp. a truth-functional expression that takes the value true for all combinations of values of its components, as in either the sun is out or the sun is not out
Compare: inconsistency [3], contingency [5]
[ETYMOLOGY: 16th Century: from Late Latin tautologia, from Greek, from tautologos]
tautological [ˌtɔ¢°tə'lɒdʒ©¥kəl]
"tauto'logic, tau'tologous adjective
"tauto'logically, tau'tologously adverb(ial)


pleonasm ['pli¢°əˌn©¡zəm]
noun
(Rhetoric)
1 the use of more words than necessary or an instance of this, such as a tiny little child

2 a word or phrase that is superfluous
[ETYMOLOGY: 16th Century: from Latin pleonasmus, from Greek pleonasmos excess, from pleonazein to be redundant]
"pleo'nastic adjective
"pleo'nastically adverb(ial)


Can you add to the list?