ace and genius 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”. genius means “someone who has exceptional intellectual ability and originality”. genius 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
/ˈdʒinjəs/
1.n.someone who has exceptional intellectual ability and originality
“Mozart was a child genius”
2.n.unusual mental ability
3.n.someone who is dazzlingly skilled in any field
| ace | genius | |
|---|---|---|
| Pronunciation | /ˈeɪs/ | /ˈdʒinjəs/ |
| Said | ays | JEE-nyuhs |
| Syllables | 1 | 2 |
| Letters | 3 | 6 |
| Parts of speech | noun, verb, adjective | noun |
| Senses | 11 | 5 |
| How common | Common | Core |
| Synonyms | one, 1, I | mastermind, brain, brainiac |
Full entry for ace · Full entry for genius · More comparisons