Difference between Common Wormwood and Pellitory

COMMON WORMWOOD vs PELLITORY: NOUN

Aromatic herb of temperate Eurasia and North Africa having a bitter taste used in making the liqueur absinthe

Achillea ptarmica, sneezewort.
Any plant of the genus Parietaria.
The common name of the several species of the genus Parietaria, low, harmless weeds of the Nettle family; -- also called wall pellitory, and lichwort.
The feverfew (Chrysanthemum Parthenium); -- so called because it resembles the above.
A composite plant (Anacyclus Pyrethrum) of the Mediterranean region, having finely divided leaves and whitish flowers. The root is the officinal pellitory, and is used as an irritant and sialogogue. Called also bertram, and pellitory of Spain.
The feverfew, Chrusanthemum parthenium (see feverfew); also, the other chrysanthemums of the group often classed as Phyrethrum. The sneezewort, Achillea Ptarmica, has been called wild or bastard pellitory.
A perennial weed, Parietaria officinalis; specifically, the wall-pellitory, a small bushy plant growing on old walls, etc., throughout the cooler parts of Europe and Asia.
Herb that grows in crevices having long narrow leaves and small pink apetalous flowers
Small Mediterranean plant containing a volatile oil once used to relieve toothache

Swallowwort, Felwort, Absinthin, Costmary, Tripleurospermum, False foxglove, Nabalus, Wormwood, Wood mint, Rattlesnake root, Cupflower, Genus artemisia, Old man, Absinthe, Artemisia absinthium

Wood mint, Salpiglossis, False foxglove, Sneezewort, Giant hyssop, Herb, Bush pea, Sweet cicely, Rattlesnake root, Lichwort, Wall pellitory, Pellitory of the wall, Pellitory of spain, Parietaria difussa, Anacyclus pyrethrum

Swallowwort, Felwort, Absinthin, Costmary, Tripleurospermum, False foxglove, Nabalus, Wormwood, Wood mint, Rattlesnake root, Cupflower, Genus artemisia, Old man, Absinthe, Artemisia absinthium

American ginseng, Sawwort, Swallowwort, Cupflower, Herbous, Wood mint, Salpiglossis, False foxglove, Sneezewort, Giant hyssop, Herb, Bush pea, Sweet cicely, Rattlesnake root, Lichwort