This is the 431st most frequent Finnish word.
riitä
"Riitä" means "be enough" or "suffice" in English.
The word 'riitä' here represents the third person singular conjugation of the verb 'riittää', meaning 'to be sufficient' or 'to suffice'.
Luulen, että aika ei riitä.
I think that the time is not enough.
In this sentence, 'riitävät' is the plural conjugation of 'riittää', agreeing with the plural subject 'taitosi' (your skills).
Kun harjoittelet enemmän, taitosi riitävät.
When you practice more, your skills will suffice.
In this sentence, 'riitä' is used as an imperative verb meaning 'suffice' or 'be content'.