Below are the words that matched your query...
Learning Curve
- a graph showing the rate of learning (especially a graph showing the amount recalled as a function of the number of attempts to recall)  
Libretti
- the words of an opera or musical play  
Libretto
- the words of an opera or musical play  
Line Of Gab
- plausible glib talk (especially useful to a salesperson)  
- plausible glib talk (especially useful to a salesperson)
Linguistic String
- a linear sequence of words as spoken or written  
- a linear sequence of words as spoken or written
Lipogram
- a text that excludes a particular letter or particular letters of the alphabet  
Lipograms
- a text that excludes a particular letter or particular letters of the alphabet  
Low Comedy
- a comedy characterized by slapstick and burlesque  
- a comedy characterized by slapstick and burlesque
Light Opera
- a short amusing opera  
- a short amusing opera
Leitmotiv
- a melodic phrase that accompanies the reappearance of a person or situation (as in Wagner's operas)