Pluralisation is the British spelling of pluralization.

The pluralisations of these words can be quite confusing.

I am pluralising the nouns in this sentence.

I need to pluralise this word.

The students pluralised their nouns in the sentence.

She pluralises the nouns in her sentences.

The word 'pluralisable' is an alternative spelling of 'pluralizable'.

Pluralisability is the alternative spelling of pluralizability.