Picture this: you're halfway through a text or an email, you get to a word like "she ___," and suddenly you're not sure if it's "says" or "sais." It happens to almost everyone at some point, and it's more understandable than you'd think — the two words don't look alike, but the sound and the shape of "sais" trick a lot of people into thinking it might be an option. It isn't. Here's everything you need to know to settle this for good.
Which One Is Correct?
"Says" is correct. It's the standard third-person singular form of the verb "say," used any time your subject is he, she, it, or a single named person or thing.
The instructor says warm up before lifting.
My phone says the battery is at ten percent.
Grandma always says patience pays off.
"Sais" isn't a working verb in English. It has exactly one legitimate use: as the plural of "sai," a pointed, three-pronged weapon associated with Okinawan martial arts. Beyond that specific noun, "sais" showing up in a sentence is a spelling slip, not a stylistic choice or regional variant.
So Why Does "Sais" Feel Right to Some People?
A few things conspire to make this error common, and none of them mean you're bad at English.
The pronunciation is deceptive. "Says" rhymes with "fez," not "days." Say it out loud and you'll hear "sez." Because the spelling doesn't match that sound the way most "-ays" words do, some writers unconsciously reach for a spelling that feels more phonetically honest — and "sais" happens to look like it could fit.
French left its fingerprints. French verbs frequently end in "-ais" (as in imperfect-tense conjugations like "je parlais"). Anyone who's picked up some French, even informally, may carry that visual pattern into English without meaning to.
Spellcheckers aren't always strict. Since "sais" exists as a real string of letters in other contexts and languages, some autocorrect tools won't flag it the way they'd flag true gibberish, so the error can slip past unnoticed for years.
Speed beats accuracy in casual writing. Texting, DMs, and quick notes don't usually get proofread, and once a wrong spelling becomes a muscle-memory habit, it tends to stick.
The Actual Rule You Need
This comes down to ordinary subject-verb agreement — the same rule that governs almost every verb in English, not just "say."
Subject
Verb Form
I
say
You
say
He / She / It
says
We
say
They
say
Whenever your subject shrinks down to one person or thing — he, she, it, or a singular noun like "the coach" or "the report" — the verb takes an "-s." Saying "he say" or "the report say" breaks this rule the same way "he run" or "the cat sleep" would.
The Twist: Questions and Negatives Undo the "-s"
Here's a wrinkle that catches even careful writers off guard. Once you introduce "does" or "doesn't" to build a question or a negative sentence, the "-s" moves off the main verb entirely.
Wrong: Does he says something about the delay?
Right: Does he say something about the delay?
Wrong: She doesn't says that anymore.
Right: She doesn't say that anymore.
Think of the "-s" as a single ticket that only one word in the sentence gets to hold. "Does" and "doesn't" already carry the tense and agreement information, so "say" reverts to its bare form.
Don't Let "Says" and "Said" Collide
A separate but related issue is tense drift — switching between "says" (present) and "said" (past) within the same thought.
Off: She says she was busy and said she needs more time.
Better: She says she's busy and needs more time.
Present tense narration should stick with "says." Past tense narration should stick with "said." Bouncing between them mid-sentence or mid-paragraph makes writing read as disjointed, even if each individual word is spelled correctly.
Four Quick Checks Before You Hit Send
Try "she" as a stand-in subject. If "she says" sounds natural, your verb is right.
Trust the "sez" sound. Whenever a word sounds like "sez," it's spelled s-a-y-s.
Remember English doesn't do "-ais" endings. That belongs to French verb conjugation, not English grammar.
Read the sentence aloud. Tense mismatches and agreement slips are often easier to hear than to spot on the page.
Does This Distinction Change in British English?
No — this is one area where American and British English line up exactly. Both use "say" for plural or first/second-person subjects and "says" for third-person singular, with no regional variant or alternate spelling in either dialect. The only differences between the two dialects show up in style choices around formality, not in the base spelling itself.
Why Bother Getting a Small Word Right?
"Says" is one of the most frequently used verbs in day-to-day writing — it shows up in dialogue, instructions, news, emails, and casual chats constantly. Because it's used so often, an error here stands out more than a rarer word would. A misspelling in a message to a client, professor, or colleague can quietly undercut how careful or polished your writing looks, even if the rest of the message is flawless.
The upside is that this is a genuinely easy fix. Once the subject-verb agreement rule clicks and you internalize that "says" rhymes with "fez" rather than "days," the confusion tends to disappear permanently — no more hesitating over which one to type.
Bottom Line
"Says" is the only correct spelling for the third-person singular present tense of "say." "Sais" isn't a verb in English at all outside of its narrow use as the plural of a martial arts weapon. Keep an eye on subject-verb agreement, watch your tense consistency, and remember that "does" and "doesn't" strip the "-s" off the main verb in questions and negatives. Get those pieces right, and this particular mix-up won't trip you up again.
Want more breakdowns like this one? Take a look at the full spelling guide for additional examples and practice sentences.
