costly
"costus" means "costly" in Welsh (adjective). Mutation forms: Treiglad Meddal → gostus, Treiglad Trwynol → nghostus, Treiglad Llaes → chostus.
In Welsh, the first letter of "costus" changes depending on the grammatical context. These are the mutated forms:
| Mutation | Form |
|---|---|
| Base form | costus |
| Treiglad Meddal | gostus |
| Treiglad Trwynol | nghostus |
| Treiglad Llaes | chostus |
Nid oes ganddyn nhw unrhyw reolaeth dros y math o anifeiliaid na'u nifer, a all arwain at broblemau costus pan fydd tenantiaid yn gadael.
They have no control over the type or number of pets, which can lead to costly issues when tenants leave.
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