| Word | IPA & Spelling Pattern | Etymology & Root | Definition & Literary Context | Orthographic Tip & Common Errors |
|---|---|---|---|---|
| pain | /peɪn/ Digraph ai |
Old French peine; Latin poena (punishment). | Physical suffering, distress, or ache. In Shelley: universal compassion for all living things. | Mnemonic: It takes an I (letter i) to feel pain. |
| pane | /peɪn/ Split digraph a_e |
Latin pannus (cloth/rag); later a plate/sheet of glass. | A single plate or sheet of glass in a window. In Sherman: looking out upon rainy weather. | Final silent e makes the a long. Mnemonic: A window has 4 flat sides. |
| ache | /eɪk/ Silent ch = /k/ |
Old English acan (verb); noun historically spelled ake. | Synonym for pain: a continuous or dull hurt. Wheeler's Question 1 target. | Irregular spelling. The combination ch sounds as hard /k/ (compare stomach). |
| rain | /reɪn/ Digraph ai |
Old English regn (precipitation from clouds). | Condensed moisture falling in drops from clouds. Sherman: “out-of-doors is full of rain.” | Vowel team ai. Rhymes perfectly with pane despite totally different spelling pattern. |
| plain | /pleɪn/ Digraph ai |
Latin planus (flat, clear, evident). | Clear to the mind; unadorned; or a broad expanse of level open land. | Digraph ai. Homophone with carpenter's plane. |
| plane | /pleɪn/ Split digraph a_e |
Latin planum (flat surface / carpenter's tool). | A level surface; a woodworker's shaving tool; or an aircraft. | Split digraph a_e. Contrast with plain in meaning and orthography. |