Plural of “tax”

The plural of tax is taxes.

Why

"Tax" entered English in the 14th century from Old French "taxe," itself from Latin "taxare," meaning to assess or value — the same root that gives us "task," originally a demand or duty imposed on someone. As a common, thoroughly naturalized noun ending in the sibilant -x, it takes the standard -es plural rather than any Latin-derived alternative.

Unlike the more scholarly Latin -ex borrowings on this list — "vortex," "apex," "cortex" — "tax" entered English as everyday financial and legal vocabulary almost from the start, used by ordinary people rather than confined to specialist scientific writing, which is likely why it never developed even a whisper of a competing Latinate plural form the way some of its distant Latin cousins did.

Usage note

"Taxes" covers all its senses uniformly — income taxes, sales taxes, property taxes, or the figurative sense of a burden ("the commute is a real tax on her patience," pluralizing as "taxes on her time and energy" in similar figurative constructions) — with no variation in spelling across contexts.

The verb "to tax" (to impose a tax, or figuratively to strain or burden) takes the same spelling in its own third-person singular form ("the government taxes imported goods heavily"), a pattern that runs through the noun plural and the verb form alike because both trace back to the identical final sibilant sound. Historical tax records are among the richest sources genealogists and historians use to reconstruct ordinary people's lives centuries ago, since governments have kept detailed records of taxes owed and paid far longer, and far more completely, than most other kinds of personal documentation.

Common real mistakes

Writers occasionally drop the -e and write "taxs" — incorrect; this common noun follows the identical spelling convention as "fox" and "hoax," both of which require the full -es for the same phonetic reason.

The wider pattern

"Tax" joins "fox" and "hoax" in the small set of -x nouns whose plural has never had any serious Latin-derived rival, setting it apart from the more academically-flavored -ex words like "vortex" or "apex" that entered English through very different, more scholarly channels. Tax policy debates often hinge on how different taxes affect different income groups, with economists distinguishing between progressive, regressive, and flat taxes depending on how the burden is distributed — a genuinely complex policy area where precise plural usage ("several taxes," "these taxes") matters for clear public communication.

Examples

• The city introduced two new taxes to fund road repairs.
• Small business owners tracked several different taxes throughout the year.
• Both federal and state taxes were due by the same April deadline.
• The report compared taxes across a dozen different countries.
• Property taxes rose sharply after the neighborhood's reassessment.
• Several proposed taxes were debated before the final budget passed.
• He kept careful records of every deduction to reduce his taxes.
• The company paid taxes in three separate jurisdictions that year.
• Voters rejected two of the three new taxes on the ballot.
• Import taxes added significantly to the final price of the goods.
• Historians used centuries-old taxes records to trace the village's population.
• The reform eliminated two outdated taxes that businesses had long complained about.
• Local taxes funded the new library without any state assistance.
• The accountant reviewed all applicable taxes before filing the return.
• Economists compared how different taxes affected low-income households.
• The city debated whether new taxes would drive businesses elsewhere.
• Several taxes were consolidated into a single simplified filing this year.
• International businesses must navigate taxes across multiple jurisdictions at once.
• Local taxes varied dramatically from one county to the next.
• The nonprofit is exempt from most taxes affecting ordinary businesses.
• The committee proposed replacing several taxes with a single simplified levy.
• Business owners hired an accountant to manage taxes across two states.
• The audit reviewed every tax the company had filed that decade.