Psis

4 lettersnounrare

Updated June 2026

Definition

Plural of psi, referring to units of pressure measured in pounds per square inch.

“The tyres were inflated to the recommended psis for a fully loaded vehicle.”

Word Game Tips

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Wordle

Contains a repeated S with I as the only vowel, the PSI opening is an unusual consonant-heavy start

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Scrabble

Worth 6 points and the two S tiles can be split across different plays to maximise board flexibility

Words Related to Psis

Anagrams of Psis

Words that use exactly the same letters as “psis”.

sips

Words one letter different

Change a single letter of “psis” to make these 4-letter words — useful for Wordle and crossword clues.

isis

Add a letter to make a longer word

5-letter words you can spell by adding one letter to “psis”.

apsis aspis lisps pasis pliss priss ships simps sipes skips slips snips spies spins spise spiss spits spivs wisps

Explore Similar Words

4-letter words starting with P 4-letter words ending with S All 4-letter words 5-letter words All word lists

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Dictionary References

Look up psis in an authoritative dictionary for full definitions, pronunciation, and etymology.

Cambridge Dictionary Merriam-Webster

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