rhododendron

/ɹoʊdəˈdɛndɹən/

//ɹoʊdəˈdɛndɹən// noun

"rhododendron" is a 12-letter English headword indexed on PlainSpell.

The verdict

“rhododendron” is uncommon English (frequency #51,954 among 3,094 “R” headwords), classed as a noun. The kind of spelling people second-guess.

#51,954
frequency rank, English
3,094
“R” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Oleander (Nerium oleander).

Corpus desk

Index EN-rhododendron · rhododendron · English

rhododendron · rank #51,954 · 0 variants · 0 confusables

  • FREQ-RARE #51,954
  • LEN-MEGA 12 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 3,094
  • PHOTO-FINISH Rian

Nearest frequency peer: Rian (+1 rank slots)

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.

Long-tail ranks near “rhododendron”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

What this shows Long-tail view: where “rhododendron” sits against similarly uncommon English ranks.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for rhododendron
PropertyValue
Headwordrhododendron
LanguageEnglish
Part of speechNoun
IPA/ɹoʊdəˈdɛndɹən/
Letters12
Frequency rank#51,954
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “rhododendron” in English

This scale runs from the tiny cluster of words that carry ordinary speech (left) to the long tail of words almost nobody reaches for (right).rhododendronfalls in this rarity band:

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

Ticks step logarithmically, so each one marks a roughly tenfold drop in how often the word turns up. Rare peers in the same band: “Rian” (#51,955), “rifleman” (#51,956), “retrain” (#51,951). Among 3,094 “R” headwords, “rhododendron” is #51,954. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

rhododendron is uncommon English at frequency #51,954 among 3,094 “R” headwords, classed as anoun, transcribed /ɹoʊdəˈdɛndɹən/. Rarity is why readers land here mid-draft. 3 senses are on record.

We couldn't generate a plausible misspelling set for rhododendron, suggesting the orthography follows predictable English patterns. No confusable counterpart is on file for this word, since its spelling is unusual enough that it doesn't cluster with a lookalike.

Etymologically, the entry records: The obsolete sense derives from Latin rhododendron (“oleander”), from Ancient Greek ῥοδόδενδρον (rhodódendron, “oleander”), from ῥόδον (rhódon, “rose”) + δένδρον (déndron, “tree”). The modern sense comes through the intermediary of the genus name Rhododendr… The correct English form is rhododendron, spelled R-H-O-D-O-D-E-N-D-R-O-N.

Definition

  1. 1
    Oleander (Nerium oleander).
  2. 2
    Any of various flowering shrubs in the genus Rhododendron, especially
  3. 3
    Any of various flowering shrubs in the genus Rhododendron, especially

Etymology

The obsolete sense derives from Latin rhododendron (“oleander”), from Ancient Greek ῥοδόδενδρον (rhodódendron, “oleander”), from ῥόδον (rhódon, “rose”) + δένδρον (déndron, “tree”). The modern sense comes through the intermediary of the genus name Rhododendron, not closely related taxonomically, but with similar flowers to those of oleander.

Synonyms

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 English corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "rhododendron"?
"rhododendron" is spelled R-H-O-D-O-D-E-N-D-R-O-N. The IPA pronunciation is /ɹoʊdəˈdɛndɹən/.
What does "rhododendron" mean?
As a noun, "rhododendron" means: Oleander (Nerium oleander).
How do you pronounce "rhododendron"?
The IPA (International Phonetic Alphabet) transcription for "rhododendron" is /ɹoʊdəˈdɛndɹən/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "rhododendron"?
The obsolete sense derives from Latin rhododendron (“oleander”), from Ancient Greek ῥοδόδενδρον (rhodódendron, “oleander”), from ῥόδον (rhódon, “rose”) + δένδρον (déndron, “tree”). The modern sense comes through the intermediary of the genus name ... 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.

Similar English words by spelling shape

Same letter count and similar misspelling depth for "rhododendron", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 12 letters (nearest by frequency rank).

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

Source: FrequencyWords open word-frequency list