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13-Letter Words Containing: R,I,F,F,I,A,N

 (In Any Order)
There are 17 13 letter words, 3 13 letter phrases and 0 13 letter abbr's with R,I,F,F,I,A,N in.

Best Scoring 13 Letter Words With: R,I,F,F,I,A,N

Expand?WordSave?LengthUsagePointsType
infraspecific13
25 adjectiveadj
adjective

• Pertaining to a taxon at a rank lower than species.

disaffirmance13
24 nounn
Valid word for Scrabble US
fortification13
21 nounn
noun

• defensive structure consisting of walls or mounds built around a stronghold to strengthen it

• the art or science of strengthening defenses

• the addition of an ingredient for the purpose of enrichment (as the addition of alcohol to wine or the addition of vitamins to food)

reaffirmation13
21 nounn
noun

• renewed affirmation

foraminiferan13
21 nounn
Valid word for Scrabble US
nitroparaffin13
21 noun, adjectiven, adj
Valid word for Scrabble US
foraminiferal13
21 adjectiveadj
Valid word for Scrabble US
differentiate13
20 verbv
verb

• mark as different

• be a distinctive feature, attribute, or trait; sometimes in a very positive sense

• calculate a derivative; take the derivative

• become different during development

• evolve so as to lead to a new species or develop in a way most suited to the environment

• become distinct and acquire a different character

differentials13
20 nounn
adjective

• relating to or showing a difference

• involving or containing one or more derivatives

noun

• the result of mathematical differentiation; the instantaneous change of one quantity relative to another; df(x)/dx

• a quality that differentiates between similar things

• a bevel gear that permits rotation of two shafts at different speeds; used on the rear axle of automobiles to allow wheels to rotate at different speeds on curves

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Tip: Scrabble EU allows far more words than US! Also change the max length to see more words.

All 13 Letter Words

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