| Family1 | Species1 | Family2 | Species2 | SCUS score | Similarity |
| Fabaceae | Cajanus cajan | Fabaceae | Lupinus angustifolius | 8.94 | Similar |
| Fabaceae | Cajanus cajan | Euphorbiaceae | Manihot esculenta | 9.29 | Highly Similar |
| Fabaceae | Cajanus cajan | Fabaceae | Medicago truncatula | 7.77 | Similar |
| Fabaceae | Cajanus cajan | Cucurbitaceae | Momordica charantia | 7.82 | Similar |
| Fabaceae | Cajanus cajan | Musaceae | Musa acuminata subsp. malaccensis | 6.77 | Moderately similar |
| Fabaceae | Cajanus cajan | Solanaceae | Nicotiana attenuata | 8.77 | Similar |
| Fabaceae | Cajanus cajan | Solanaceae | Nicotiana sylvestris | 8.68 | Similar |
| Fabaceae | Cajanus cajan | Solanaceae | Nicotiana tabacum | 8.72 | Similar |
| Fabaceae | Cajanus cajan | Solanaceae | Nicotiana tomentosiformis | 8.70 | Similar |
| Fabaceae | Cajanus cajan | Poaceae | Oryza brachyantha | 5.04 | Moderately similar |
| Fabaceae | Cajanus cajan | Poaceae | Oryza sativa Japonica Group | 4.96 | Dis similar |
| Fabaceae | Cajanus cajan | Poaceae | Panicum hallii | 4.87 | Dis similar |
| Fabaceae | Cajanus cajan | Poaceae | Panicum virgatum | 5.11 | Moderately similar |
| Fabaceae | Cajanus cajan | Fabaceae | Phaseolus vulgaris | 9.84 | Highly Similar |
| Fabaceae | Cajanus cajan | Fabaceae | Prosopis alba | 9.28 | Highly Similar |
| Fabaceae | Cajanus cajan | Brassicaceae | Raphanus sativus | 3.90 | Dis similar |
| Fabaceae | Cajanus cajan | Euphorbiaceae | Ricinus communis | 9.17 | Highly Similar |
| Fabaceae | Cajanus cajan | Poaceae | Saccharum officinarum | 5.89 | Moderately similar |
| Fabaceae | Cajanus cajan | Pedaliaceae | Sesamum indicum | 8.94 | Similar |
| Fabaceae | Cajanus cajan | Poaceae | Setaria italica | 4.98 | Dis similar |