One word domain names — what they cost and how to get one.

A one-word .com is the only domain shape that is simultaneously short enough to type, common enough to remember, and old enough that no challenger TLD has displaced it. Every other naming convention — two words, prefixes, suffixes, alternative TLDs — exists because the one-word .com you wanted was unavailable or unaffordable. That dynamic has held since the late 1990s and shows no sign of breaking.

The market treats a one-word .com as a near-permanent asset. Owners hold for decades. Sales make the trade press. Valuations track inflation and the wealth of the buyer pool, not the cost of any underlying service. This is why every premium one-word .com sold in the last five years has cleared at a higher price than the last comparable sale in the same category.

English has roughly 470,000 entries in the unabridged dictionary. Cull to words people would actually use as a brand — pronounceable, non-archaic, non-offensive — and the universe collapses to around 30,000–50,000 viable candidates. All of those have been registered since before 2000. The supply curve is vertical.

Of those 30,000–50,000 owned one-word .coms, roughly 60% sit in portfolios held by domain investors who will sell at a price. The other 40% are operated by businesses (the company called Linear actually uses linear.com) and are functionally locked. The buyer's job is to find which side of that line their target name is on, which is a 30-minute exercise in WHOIS, archive.org, and LinkedIn.

Publicly disclosed and widely-reported one-word .com transactions, descending by price.

Sources: NameBio public records, DNJournal year-end reports, and reported press releases. Private transactions above $5M are routinely undisclosed; the public record systematically understates the top of the market.

1. Confirm the owner type. WHOIS, archive.org, LinkedIn. Portfolio investor (will sell, has a number), operating business (much harder), or estate/inactive (slow, sometimes cheap).
2. Pull comps. NameBio for closed sales in the same category. Anchor the eventual offer against the most defensible three comps.
3. Approach anonymously. Never from your founder email. For names you're seriously pursuing, use a buy-side broker — this single decision is worth more than any negotiation tactic.
4. Open with a fair number. Lowballs cause owners to triple their next ask or stop replying. The opening offer should be defensible against the comps you pulled.
5. Run escrow. Escrow.com is standard. Never wire to the seller.
6. Plan the DNS cutover. One-word .coms that have been live for 20 years often carry legacy MX, SPF, and DMARC records. A clean cutover is a half-day of work; a messy one breaks inbound email.

Full taken-domain acquisition playbook in the guide →

If your target one-word .com is in the $500K+ range and your funding doesn't support it, the one-word .ai equivalent is the most credible alternative path. Cursor, Perplexity, and Character all built brands on .ai without ever owning the matching .com at launch — and the option to upgrade later remains open.

One-word .ai pricing typically clears at 30–50% of the equivalent .com, with the same scarcity dynamics emerging two decades later than the .com market. The window to acquire premium one-word .ai at sub-$250K prices is closing fast; we expect parity with one-word .io by 2027 and a permanent premium over .io shortly after.

Where to buy a .ai domain — full pillar →

How much is a one-word .com domain?

Brandable invented one-word .coms: $40K–$500K. Real dictionary words by category: $100K–$2M. Apex generic nouns (Voice, Lens, Agents): $250K–$5M+. The rare tier-1 generics (Hotels, Cars, AI) trade privately above $5M and into nine figures.

Are any one-word .com domains still available?

Essentially no English dictionary words are unregistered. The last common words were claimed before 2000. New one-word .coms only enter the market as invented brandables (Stripe, Plaid, Zapier) or via expirations — and any expiring one-word .com is caught by drop-catching services before the public sees it.

How do you buy a one-word .com that's already owned?

Identify the owner via WHOIS, registrar contact form, or LinkedIn. Approach anonymously — never from your founder email. Lead with a fair number anchored against NameBio comps in the same category. Use escrow. For anything over $50K, hire a buy-side broker who can stay anonymous and avoid the funded-AI-startup tax that doubles or triples asking prices.

What's the most expensive one-word domain ever sold?

Publicly: Voice.com sold for $30M in 2019; AI.com transferred to OpenAI in 2024 for approximately $70M. Privately: Hotels.com, Insurance.com, and a handful of others changed hands above $35M with no public disclosure. The category-killer one-word .com is the most liquid eight-figure asset class in the digital world.

Should I get a one-word .ai instead of a one-word .com?

Often, yes — at least at launch. One-word .ai domains typically clear at 30–50% of the equivalent .com. Cursor.ai, Perplexity.ai, and Character.ai all chose .ai over a more expensive .com path and didn't pay a brand penalty. The .com optionality remains; you can always upgrade later.