Words with 'las' at the start and 't' at the end

Which word from this list consists the highest number of letters?
There are 10 characters in the word 'lascivient', that makes it the largest word Dictionarypedia has.

Which word that starts with 'las' and ends with 't' is the most popular word?
There's 'last', which is the 157^th most popular word.

What's the maximum number of words one is able to assemble using this combination of letters?
On this page of words beginning with 'las' and ending with 't', you have 8 entries which are possible altogether.

Is there a word from this page of word that starts with 'las' and ends with 't' which might be considered as unusual?
The most strange word in this list is 'laserwort'. According to the Oxford dictionary, 'laserwort' is defined as "Any plant of the umbelliferous genus Laserpitium, of several species (as L. Glabrum, and L. Siler), the root of which yields a resinous substance of a bitter taste. The genus is mostly European.".

In Scrabble, what's the highest number of points possible using words beginning with 'las' and ending with 't'?
For a total of 15 points, you can play 'laserjet'.