| Part of speech | common noun |
|---|---|
| Hyphenation | spark·il·o |
| Singular | Plural | |
|---|---|---|
| Nominative | sparkilo | sparkiloj |
| Accusative | sparkilon | sparkilojn |
| Afrikaans | vonkprop |
|---|---|
| Catalan | bugia |
| Danish | tændrør |
| Dutch | bougie; ontstekingsbuis |
| English | plug; spark plug; sparking‐plug |
| French | bougie; bougie électrique |
| German | Kerze |
| Italian | candela |
| Norwegian | tennplugg |
| Papiamento | sparplùk |
| Portuguese | vela |
| Saterland Frisian | Käärse; Lucht; Stikkäärse |
| Spanish | bujía |
| Swedish | gnista; tändstift |
| West Frisian | bûzjy |