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15-Letter Words That Start With: ARCH

There are 20 15-letter words, 2 15-letter phrases and 0 15-letter abbr's that start with ARCH.

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Expand?WordSave?LengthUsagePointsType
archaeopteryxes15
32 noun, adjectiven, adj
noun

• extinct primitive toothed bird of the Jurassic period having a long feathered tail and hollow bones; usually considered the most primitive of all birds

archiepiscopate15
26 nounn
Valid word for Scrabble US
archaebacterium15
26 nounn
noun

• considered ancient life forms that evolved separately from bacteria and blue-green algae

architecturally15
25 adverb, adjectiveadv, adj
adverb

• with regard to architecture

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

All 15 Letter Words

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