step-

prefix

"step" is a 4-letter English headword indexed on PlainSpell.

The verdict

“step-” is outside the top-ranked English vocabulary, used as a prefix - the kind of word writers most often double-check.

Unranked
below top-frequency English
5
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - A prefix used before father, mother, brother, sister, son, daughter, child, and so forth, to indicate that the person being identified is not a blood relative but is related through the marriage of...

Key facts for step-
PropertyValue
Headwordstep-
LanguageEnglish
Part of speechPrefix
Letters5
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “step-” sits in English frequency

step- falls outside the top-100,000 ranked English words, the long-tail zone of technical, archaic, or low-frequency vocabulary, exactly where readers second-guess spellings most.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Spelling & Dictionary Insight

The English entry for step- is 5 letters long, classified as a prefix. It sits outside the most-frequent rank tiers, which is often why uncommon words generate more spelling variants per reader. The dominant gloss from Wiktionary reads: "A prefix used before father, mother, brother, sister, son, daughter, child, and so forth, to indicate that the person being identified is not a blood relative but is related through the marriage of...".

Zero misspellings are on record for step- in our index, a straightforward case of a spelling with little room for common typos. No confusable counterpart is on file for this word, which typically means the spelling is too distinctive to be mistaken for another word.

Etymologically, the entry records: From Middle English step-, from Old English stēop- (“deprived of a relative, step-”, prefix), from Proto-West Germanic *steupa-, from Proto-Germanic *steupa- (“orphaned, step-”), from Proto-Indo-European *(s)tewp- (“to push, strike”). Cognate with Scots ste… The correct English form is step-, spelled S-T-E-P--.

Definition

  1. 1
    A prefix used before father, mother, brother, sister, son, daughter, child, and so forth, to indicate that the person being identified is not a blood relative but is related through the marriage of a parent.

Etymology

From Middle English step-, from Old English stēop- (“deprived of a relative, step-”, prefix), from Proto-West Germanic *steupa-, from Proto-Germanic *steupa- (“orphaned, step-”), from Proto-Indo-European *(s)tewp- (“to push, strike”). Cognate with Scots step- (“step-”), West Frisian stiep- (“step-”), Dutch stief- (“step-”), Low German steef- (“step-”), German stief- (“step-”), Swedish styv- (“step-”), Icelandic stjúp- (“step-”). Related to Old English stīepan (“to deprive, bereave”). Not, however, related to the familiar English noun or verb step.

This word in other languages

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "step-"?
"step-" is spelled S-T-E-P--.
What does "step-" mean?
As a prefix, "step-" means: A prefix used before father, mother, brother, sister, son, daughter, child, and so forth, to indicate that the person being identified is not a blood relative but is related through the marriage of...
What is the origin of the word "step-"?
From Middle English step-, from Old English stēop- (“deprived of a relative, step-”, prefix), from Proto-West Germanic *steupa-, from Proto-Germanic *steupa- (“orphaned, step-”), from Proto-Indo-European *(s)tewp- (“to push, strike”). Cognate with... See the full etymology section above for more details.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Using “step-”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct English spelling is S-T-E-P-- - every other letter order is a misspelling in standard orthography.
  • Browse more English words and confusable pairs in the same reference. English words
Data Source

Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list