second language

noun

"second-language" is a 14-letter English headword indexed on PlainSpell.

The verdict

“second language” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.

Unranked
below top-frequency English
15
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A language that is spoken by someone but is not their mother tongue.

Corpus desk

Index EN-second-language · second language · English

second language · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 15 letters
  • VOW-6 6 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "S" thin
  • PHOTO-UNK Peer pending

Read with this headword: Spelling guide for this pattern

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Key facts for second language
PropertyValue
Headwordsecond language
LanguageEnglish
Part of speechNoun
Letters15
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “second language” in English

second languagesits beyond the 100,000 most-frequent English words, in the long tail of technical, archaic, or otherwise rare vocabulary where spelling doubt tends to strike hardest.

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

Rare enough to double-check

second language is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "A language that is spoken by someone but is not their mother tongue.".

second language doesn't appear in our generated misspelling index, which points to an orthography that plays by predictable English rules. No confusable counterpart is on file for this word, which typically means the spelling is too distinctive to be mistaken for another word.

No explicit etymology string is stored for this entry, so its spelling pattern is best understood through pronunciation rather than a traceable origin. The correct English form is second language, spelled S-E-C-O-N-D- -L-A-N-G-U-A-G-E.

Definition

  1. 1
    A language that is spoken by someone but is not their mother tongue.

Recorded use

Wiktionary examples

These source excerpts show how second language appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. My second languages are Italian and German.
  2. Vocabulary is a vital component of educational success in both first and second language contexts.

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 "second language"?
"second language" is spelled S-E-C-O-N-D- -L-A-N-G-U-A-G-E.
What does "second language" mean?
As a noun, "second language" means: A language that is spoken by someone but is not their mother tongue.
What language does "second language" come from?
"second language" is a English word. You can look up definitions, pronunciations, and spelling data for this and other words across English, Spanish, Portuguese, French, and German on PlainSpell.
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.

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

Source: FrequencyWords open word-frequency list