LSD

[ˈlsð̞]

/[ˈlsð̞]/ noun

The verdict

“LSD” is a moderately-common Spanish word, ranked #30,142 in Spanish word frequency and used as a noun.

#30,142
frequency rank, Spanish
3
letters
20
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Droga psicodélica semisintética que se obtiene de la ergolina y de la familia de las triptaminas que produce efectos psicológicos, entre los que se incluyen alucinaciones con ojos abiertos y cerrad...

Visual similarity to commonly confused words

How many letter changes separate each confused pair (Levenshtein distance, normalized).

LSD vs Lu
33% similar
LSD vs lx
0% similar
LSD vs luz
0% similar

Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).

Key facts for LSD
PropertyValue
HeadwordLSD
LanguageSpanish
Part of speechNoun
IPA[ˈlsð̞]
Letters3
Frequency rank#30,142
Misspellings tracked0
Confusable pairs20
SourceWiktionary (kaikki.org)

Where “LSD” sits in Spanish frequency

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right). LSD lands here:

#1#100#1K#10K#100K
← used constantlyrarely used →

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Spelling & Dictionary Insight

The Spanish entry for LSD is 3 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as [ˈlsð̞]. Corpus data places it at rank #30,142 in overall Spanish word frequency, marking it as uncommon enough that many writers pause before typing it. The dominant gloss from Wiktionary reads: "Droga psicodélica semisintética que se obtiene de la ergolina y de la familia de las triptaminas que produce efectos psicológicos, entre los que se incluyen alucinaciones con ojos abiertos y cerrad...".

The misspelling generator found no plausible variants for LSD, since its letter pattern doesn't lend itself to common typo substitutions. It also participates in 20 confusable-pair relationships, "Lu", "lx", "luz", and more, where similar look or sound leads writers to substitute one word for another in context.

Wiktionary doesn't record an etymology for this headword, so spelling patterns must be inferred from the word's phoneme-to-grapheme mapping rather than from a documented borrowing chain. The correct Spanish form is LSD, spelled L-S-D.

Definition

  1. 1
    Droga psicodélica semisintética que se obtiene de la ergolina y de la familia de las triptaminas que produce efectos psicológicos, entre los que se incluyen alucinaciones con ojos abiertos y cerrados, sinestesia, percepción distorsionada del tiempo y disolución del ego; generalmente utilizada como droga recreacional y dosificada en forma de un trozo de cartón que contiene la sustancia en sí.

Synonyms

ácidoácido lisérgicodietilamida de ácido lisérgicopepa

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); frequency ordering uses the FrequencyWords open word-frequency list (2018 Spanish corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "LSD"?
"LSD" is spelled L-S-D. The IPA pronunciation is [ˈlsð̞].
What does "LSD" mean?
As a noun, "LSD" means: Droga psicodélica semisintética que se obtiene de la ergolina y de la familia de las triptaminas que produce efectos psicológicos, entre los que se incluyen alucinaciones con ojos abiertos y cerrad...
What words are commonly confused with "LSD"?
"LSD" is commonly confused with "Lu", "lx", "luz". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "LSD"?
The IPA (International Phonetic Alphabet) transcription for "LSD" is [ˈlsð̞]. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "LSD" come from?
"LSD" is a Spanish word. PlainSpell covers definitions, pronunciations, and spelling data across English, Spanish, Portuguese, French, and German.
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 “LSD”

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

  • The one correct Spanish spelling is L-S-D - every other letter order is a misspelling in standard orthography.
  • Say it as [ˈlsð̞] (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Don't mix it up with “Lu” - see the side-by-side comparison. LSD vs Lu
  • Browse more Spanish words and confusable pairs in the same reference. Spanish 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