Teacher Master Key • Lesson 116
Sound of o in word (= û in fur) • Alice Cary Rhyme Clinic • Page 64
INSTRUCTOR REFERENCE KEY
1 Complete Orthoepic & Morphological Matrix (Lesson 116 Vocabulary)
8 Target Words • Labial Assimilation (/wɜːr/)
Word IPA Diacritic Marking Grammar Phonetic & Etymological Notes
word /wɜːrd/ ô = û Noun / Verb OE word. Labial /w/ pulls the following vowel to central r-colored /ɜːr/.
work /wɜːrk/ ô = û Noun / Verb OE weorc. Shifted from diphthong /eo/ to /ɜːr/ under labial glide.
world /wɜːrld/ ô = û Noun OE weorold (lit. 'age of man', wer + ald). Complex cluster /-rld/.
worm /wɜːrm/ ô = û Noun / Verb OE wyrm (serpent, reptile, crawler). Rounded vowel merges into /ɜːr/.
worth /wɜːrθ/ ô = û Adjective / Noun OE weorþ. Voiceless dental fricative /θ/ following /ɜːr/.
worthy /ˈwɜːr.ði/ ô = û + -y Adjective Base worth + adjective suffix -y. Fricative voices to /ð/.
worse /wɜːrs/ ô = û Comparative Adj. OE wyrsa. Suppletive comparative form of bad. Silent terminal e.
worst /wɜːrst/ ô = û Superlative Adj. OE wyrsta. Suppletive superlative form of bad. Consonant blend -rst.
1. The "W-Controlled" Vowel Shift
• The Labial Effect: Preceding bilabial glide /w/ dramatically alters standard vowel values in English:
  – w + a often yields /wɒ/ (wash, want) or /wɔː/ (warm, war).
  – w + or uniformly yields /wɜːr/ (word, work, worm) instead of /wɔːr/ (wore, worn).
• Wheeler's Marking: Marked as ô (= û) to show the student that o speaks the identical sound of u in fur.
2. Alice Cary's Acoustic Rhyme Clinic
• The words / birds Rhyme:
  – words: /wɜːrdz/ (spelled with o)
  – birds: /bɜːrdz/ (spelled with i)
This acoustic pairing proves that orthography often preserves different historical roots while orthoepy has merged into the exact same sound.
• Contraction Mechanics: I'll = I will. The apostrophe replaces the elided letters wi-.
3 Oral Dictation Sentences (Administer in Class)
Contextual Application • Exact Decodability
1. A kind word brings sunshine to all the world.
2. The honest farmer does faithful work from dawn to dusk.
3. An early bird found a little worm upon the ground.
4. A true and worthy action is of great worth.
5. Cold rain is bad, but a bitter frost is even worse.
4 Orthoepic Contrast: Preceding /w/ Glide vs. Standard Vowels
Phonetic Rule Demonstration
Standard or (/ɔːr/):
• for (/fɔːr/)
• cord (/kɔːrd/)
• storm (/stɔːrm/)
Vowel remains open back-mid.
W-Shifted wor (/wɜːr/):
• word (/wɜːrd/ = /wûrd/)
• work (/wɜːrk/ = /wûrk/)
• worm (/wɜːrm/ = /wûrm/)
Bilabial /w/ shifts vowel to central /ɜːr/.
Morphological Degrees:
• Positive: bad / ill
• Comparative: worse (/wɜːrs/)
• Superlative: worst (/wɜːrst/)
• Root: worth → worthy
Evaluative Scoring Rubric (20 Points Total) Mastery Assessment
• 1. Circumflex Marking Accuracy (6 pts): Correctly places circumflex (^) over the o in all 8 target words.
• 2. Alice Cary Dictation Precision (6 pts): Transcribes the 2-line lyric with 100% orthographic precision, including apostrophe in I'll.
• 3. Oral Dictation Application (5 pts): Correctly spells target words in the 5 administered dictation sentences.
• 4. 26px Penmanship Standard (3 pts): Uniform letter slant, ascenders and descenders properly placed, lowercase letters touching the 13px dashed midline.
Socratic Discussion Prompts Classroom Administration
1. Acoustic Riddle: "Say 'for' and 'cord'. Now say 'word' and 'work'. How does the letter 'w' change the sound of 'o'?"
2. Rhyme Inquiry: "In Alice Cary's poem, which two words rhyme? Are they spelled with the same vowel letter?"
3. Morphology Check: "If something has great worth, what adjective do we use to describe it?" (worthy).
4. Comparative Degrees: "What is the comparative of bad? What is the superlative?" (bad, worse, worst).