- English English
- Lambda Calculus
- Language Model
- Language Recognition
- Language Resource
- Laryngograph
- Laryngoscope
- Larynx
- Latent Semantic Analysis-LSA
- Lattice
- Learning Phase
- Left to Right
- Lemma
- Lemmata
- Lexemes
- Lexical
- Lexical Analysis
- Lexical Categories
- Lexical Chaining
- Lexical Etymology
- Lexical Evidence
- Lexical Features
- Lexical Insertion Rule
- Lexical Meanings
- Lexical Semantic Ambiguity
- Lexical-Semantic Database
- Lexicon
- Lexicons
- Likelihood Ratio
- Linear Prediction Coefficient
- Linear Predictive Code-LPC
- Linguistic Corpora
- Linguistic Data Consortium-LDC
- Linguistic Rules
- Links
- Literal Meaning
- Logarithm
- Logic Programming
- Logic Theorist
- Long Short-Term Memory-LSTM
- Low Entropy Spoken Responses
- Low-Level Features