फ़्लैशकार्ड

Doubling a final consonant is a spelling pattern rather than a change in meaning or grammatical tense. In English spelling, an extra consonant letter often marks the preceding vowel as short. For example, doubling the n in planning distinguishes it from planing, which comes from the verb plane. Adding an extra letter keeps written forms clear and prevents confusion between different verbs.

We planned our moving day schedule on Tuesday.