Toki Pona and linguistics
Toki Pona is a very nice conlang for linguistic queries like due to its 123 root words, one can examine the complete lexical field repartition among these.
One can examine what happens with the adding of any new root word as well...
'sin' means 'new; renew, renovate; news' while namako only means 'additional, new' in standard tp (also used for 'spices' and 'to spice' by the tp community)
'sin la' is used for 'anew, again', another sense not available to namako