| Primary (First) - origanum |
| FL | | oregano distillates |
| | flavor: herbal |
| FL | | oregano essence |
| | flavor: origanum |
| FL | | oregano flavor |
| FD | | oregano leaf |
| | odor: origanum |
| | flavor: origanum |
| FL/FR | | oregano oil mexico |
| | odor: herbal origanum |
| | flavor: origanum |
| FL | | oregano oleoresin |
| | odor: fresh oregeno spicy herbal green earthy woody |
| | flavor: herbal spicy peppery green camphoreous thyme phenolic |
| FL/FR | | origanum oil |
| | odor: thyme green herbal spicy camphor phenolic woody |
| | flavor: herbal spicy peppery green camphoreous thyme phenolic |
| FL/FR | | origanum oil greece |
| | odor: thyme green herbal camphor woody |
| | flavor: origanum |
| Secondary (Second) - origanum |
| Tertiary (Third) - origanum |
| FL | | pizza flavor |
| Quaternary (Fourth) - origanum |
| Quinary (Fifth) - origanum |
| Senary (Sixth) - origanum |
| Septenary (Seventh) - origanum |
| FL/FR | para- | cymene |
| | odor: fresh citrus terpene woody spice |
| | flavor: Terpy and rancid with slightly woody oxidized citrus notes. It has spice nuances of green pepper and oregano |
| Octonary (Eighth) - origanum |