ISEE/SSAT Vocabulary Builder›Word parts›Roots›cred
RootLatin
cred
belief
Latin credere meant 'believe': credible claims invite belief, credulous readers believe too easily, and credentials establish trust.
Words built from it
- credible — believable
cred (believe) + -ible (able to be) - incredible — hard to believe, extraordinary
in- (not) + cred (believe) + -ible (able to be) - credulous — too ready to believe things
cred (believe) + -ulous (tending to) - discredit — to cause disbelief in someone's claims
dis- (removal or reversal) + credit (belief or trust, from credere 'to believe') - credentials — qualifications that prove someone's ability
cred (believe, trust) + -ential (relating to) - incredulous — unwilling or unable to believe something
in- (not) + cred (believe) + -ulous (tending to)
Looks like it, but is not
- sacred — from Latin sacer 'holy' via sacrare — unrelated to credere 'to believe' despite ending in the same letters.
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Related word parts
- -able/-ible — turns a verb into an adjective meaning capable of, fit to be, or worthy of the action