castle and palace share a recorded sense, so the question is not what they mean but which one fits. castle means “a large and stately mansion”. palace means “a large and stately mansion”. castle is the more common of the two in everyday English.
/ˈkæsəl/
1.n.a large and stately mansion
2.n.a large building formerly occupied by a ruler and fortified against attack
3.n.(chess) the piece that can move any number of unoccupied squares in a direction parallel to the sides of the chessboard
/ˈpæləs/
1.n.a large and stately mansion
2.n.the governing group of a kingdom
“the palace issued an order binding on all subjects”
3.n.a large ornate exhibition hall
| castle | palace | |
|---|---|---|
| Pronunciation | /ˈkæsəl/ | /ˈpæləs/ |
| Said | KAS-uhl | PAL-uhs |
| Syllables | 2 | 2 |
| Letters | 6 | 6 |
| Parts of speech | noun, verb | noun |
| Senses | 5 | 4 |
| How common | Core | Common |
| Synonyms | palace | castle |
Full entry for castle · Full entry for palace · More comparisons