ace and star share a recorded sense, so the question is not what they mean but which one fits. ace means “the smallest whole number or a numeral representing this number”. star means “(astronomy) a celestial body of hot gases that radiates energy derived from thermonuclear reactions in the interior”. star is the more common of the two in everyday English.
/ˈeɪs/
1.n.the smallest whole number or a numeral representing this number
“he has the one but will need a two and three to go with it”
2.n.one of four playing cards in a deck having a single pip on its face
3.n.someone who is dazzlingly skilled in any field
/ˈstɑɹ/
| ace | star | |
|---|---|---|
| Pronunciation | /ˈeɪs/ | /ˈstɑɹ/ |
| Said | ays | stahr |
| Syllables | 1 | 1 |
| Letters | 3 | 4 |
| Parts of speech | noun, verb, adjective | noun, verb, adjective |
| Senses | 11 | 12 |
| How common | Common | Core |
| Synonyms | one, 1, I | none recorded |
1.n.(astronomy) a celestial body of hot gases that radiates energy derived from thermonuclear reactions in the interior
2.n.someone who is dazzlingly skilled in any field
3.n.any celestial body visible (as a point of light) from the Earth at night