vials

The filled squares are the 2 vowels — 2 of 5 letters. In the size-ranked list, vials sits in the everyday tier.

Letters

58,636 words share the length

Syllables

2stress on the first

Anagrams

2silva, vails

One letter away

7dials, rials

Open English WordNet defines lemmas, and vials is not one of them. The nearest lemma it does define is vial — a small bottle that contains a drug (especially a sealed sterile container for injection by needle). The rule that found it is on the sources page; nothing here claims a grammatical relation.

The CMU Pronouncing Dictionary reads it as v ay1 ah0 l z — 2 syllables, the stress on syllable 1.

4 words share everything from the last stressed vowel on — that is what counts as a rhyme here.

• denials
• dials
• trials
• mistrials

2 other words use exactly these letters: silva, vails.

• dials
• rials
• viols
• sials
• veals
• vills
• virls

Same length, one position changed. <1% of the 8,636 words this long are a neighbour.

• 5 letter words8,636
• Starts V2,735
• Starts VI863
• Ends S
• 5 letters starting V

Tier: everyday. The tiers come from the English Speller Database and rank by list size, not by how often a word is used — see where the words come from.