call·ing 
(kôlĭng)
(kôlĭng)n.
1. An inner urge or a strong impulse, especially one believed to be divinely inspired.
2. An occupation, profession, or career.
- specter
- spectinomycin
- spectra
- spectral
- spectrality
- spectral line
- spectrally
- spectralness
- spectre
- spectrin
- spectro-
- spectrogram
- spectrograph
- spectrographic
- spectrographically
- spectrography
- spectroheliogram
- spectroheliograph
- spectroheliographic
- spectroheliography
- spectrohelioscope
- spectrohelioscopic
- spectrometer
- spectrometric
- spectrometry