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authentication

How to pronounce authentication:

Synonyms for authentication:

(the) goods
assay-mark
attestation
certificate
certification
confirmation
corroboration
documentation
evidence
hallmark
identification
manifestation
mark
marker
marking
proof
ratification
substantiation
support
testimonial
testimony
validation
verification
voucher
witness

Antonyms for authentication:

annulment
breach
break
cancelation
cancellation
censure
contradiction
denial
destruction
disagreement
disapproval
disavowal
disfavor
disfavour
disproof
dissension
invalidation
opposition
prohibition
refusal
rejection
repudiation
veto
void
Other 5-syllable words

Here are some other common 5-syllable words.

See all 5-syllable words
Syllable Fun Fact
The part of the syllable with the highest pitch or loudest volume is called the syllable nucleus, typically a vowel.

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