Accessible, convenient, obtainable, or procurable.
One can find a list of synonyms for the word certain directly the the dictionary website. There are always a list of synonyms available for word certain.
There are many synonyms for the word beggar available through any Thesaurus. Some of these synonyms are asker, borrower, deadbeat, mendicant and hobo.
internal, inward, built-in
There are quite a few synonyms for the word maintaining. Carrying on, advancing, continuing, renewing, repairing, protecting, providing and upholding are just a few of the synonyms available.
There are very little synonyms for the word 'undressed'. However the few available include: deshabille, dishabille, naked and nude. However the word 'undress' has a lot more synonyms.
There are not very many synonyms for the word "orphan", which is a parent-less child. The synonyms that are available are deprive, strip, and divest.
There are a wide range of words that can be used as synonyms for the word errors. Some of the many available are fault, glitch, failure, oversight, omission, untruth and wrongdoing.
There are several places you can find synonyms for other words. You can find synonyms in a thesaurus. If you don't have a physical copy of a thesaurus then another option would be to visit a thesaurus website.
One may find synonyms for the word "fitte" by using the thesaurus feature available in Microsoft Word. Another place one might find synonyms for the word "fitte" would be by looking up the synonym in a bound thesaurus.
They are synonyms.
Synonyms
Relative and kin are synonyms.